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Frequency of gametes and phenotypes from genetic map
Frequency of gametes and phenotypes from genetic map
Consider the genetic map below of loci a-g, where the distance between loci are indicated in map units.
a-5-b-20-c-10-d-2-e-25-f-1-g
a) Calculate the frequency of ac gametes from an Ac/aC genotype.
b) BcE from bce/BCE
c) bFG from bfg/BFG
d) the frequency of BCD/Bcd from bCd/BcD x BCd/BcD
e) the frequency of aBcDeFg/aBcDeFg progeny from a mating of
Genetics and Developmental Biology   thesurgeon   1554   Asked 8 years ago
Fruit Fly genetics: WILD MALE x BROWN EYE DUMPY WING female
Fruit Fly genetics: WILD MALE x BROWN EYE DUMPY WING female
Question pertains to Pearson biologylabsonline homework.
Assignment is to cross a wild male X brown eye, dumpy wing female.
The F1 results were as follows:
100% wild F1 phenotype, autosomal results.

Backcrossed a F1 male to a P1 female.
F2 Results were:
1:1 ratio of wild phenotypes to brown eye, dumpy wing. There were no flys showing wild eyes, du
Genetics and Developmental Biology   Jedi_Knight   1297   Asked 8 years ago
Are the blue blood vessels in the umbilical word labelled correctly?
Are the blue blood vessels in the umbilical word labelled correctly?
Please explain why it is labelled correctly or not,
Thank you so much.
Genetics and Developmental Biology   Thehobbitlass   1611   Asked 8 years ago
Let's say we read this to a Sasha: "Brooks is faster than Darren, and Darren is
Let's say we read this to a Sasha: "Brooks is faster than Darren, and Darren is
Let's say we read this to a Sasha: "Brooks is faster than Darren, and Darren is faster than Chad.  Who is faster, Brooks or Chad?"  If Sasha guesses at the answer or responds. "I can't tell," she is likely in the
Genetics and Developmental Biology   ChelsLou   686   Asked 8 years ago
Tyrosine kinase and blood pressure regulation
Tyrosine kinase and blood pressure regulation
I am having trouble answering this question for my physiology homework:

Using cell culture models, how would one determine the role of tyrosine kinases on blood pressure regulation?

And what are some of the possible limits to this study?


Thanks!
Genetics and Developmental Biology   jessicawcu   469   Asked 8 years ago
Stand as far away from the corner of a room as you can, moving to a larger room might help.
Stand as far away from the corner of a room as you can, moving to a larger room might help.
directions:
stand as far away from the corner of a room as you can, moving to a larger room might help.
with both eyes open hold a pencil at arms length in front of you, placing the pencil in the corner.
now, close your left eye and observe what happens to the image of the pencil.
alternate by closing only your right eye and observe what happens.

6. t
Genetics and Developmental Biology   nkhaira   655   Asked 8 years ago
Ovulation production of hormones in female
Ovulation production of hormones in female
During ovulation, production of the hormones
A.) estrogen and LH is high
B.) FSH and estrogen stops
C.) progesterone and FSH is high
D.) estrogen and progesterone is low
Genetics and Developmental Biology   nkhaira   590   Asked 8 years ago
Identify the most likely mode of inheritance found in this pedigree
Identify the most likely mode of inheritance found in this pedigree
I think that the most likely mode would be autosomal dominance with incomplete penetrance because it did skip one generation. Any help would be greatly appreciated. Let me know what you think it is and please also write why you think it is that. Thanks!
Genetics and Developmental Biology   hooglandm   531   Asked 8 years ago
How many types of gametes do homozygous genetically identical males produce with respect to a gene?
How many types of gametes do homozygous genetically identical males produce with respect to a gene?
Question #5: How many types of gametes do homozygous genetically identical males produce with respect to a gene?

And in what ratio ?


Question #6: How many gamete types do heterozygous females produce with respect to a gene? 


And In what ratio ?
Explain each please.
Genetics and Developmental Biology   med4339   1039   Asked 8 years ago
Identify the phenotypes and genotypes of all the people shown in this pedigree.
Identify the phenotypes and genotypes of all the people shown in this pedigree.
Complete Practice Problem 20 on page 615 in the textbook. Identify the phenotypes and genotypes of all the people shown in this pedigree. Rolling the tongue (R) is dominant over inability to roll the tongue as it remains flat (r).


Hint: What kind of inheritance is this? How do you assign symbols? See (sr) Pedigree Analysis. Did you assign all non-shaded individuals
Genetics and Developmental Biology   CutiepieKen   1818   Asked 8 years ago
Where does the cut take place in palindrome sequence
Where does the cut take place in palindrome sequence
In the case of restriction enzymes, I know that it chooses Palindromes, but where does the exact cut take place? Is it always between A and T base pairs or Can it occur between any base pairs in a palindrome sequence.
Genetics and Developmental Biology   Bhargava   424   Asked 8 years ago
Visualizing exons and their respective trancripts and protein domains.
Visualizing exons and their respective trancripts and protein domains.
I am building a script that takes exons from a particular gene and then plots them by their base pair coordinates on a 2D graph. Using data from Ensembl, I can match each exon to its respective transcript and protein domain.

I use data from Ensemble to match each domain to the gene base pairs responsible for its formation; I can then plot the protein domains above their r
Genetics and Developmental Biology   haysb91   604   Asked 8 years ago
Find the size of amplicon if we use the following PCR-primers for human GLUT1
Find the size of amplicon if we use the following PCR-primers for human GLUT1
Hello,

I have an exericise to solve at home:


What is the size of GLUT1 amplicon if we use the following PCR-primers for human
GLUT1? Please remember that we used human GLUT1 cDNA as a template.

GLUT1 sense: 5´AACTCTTCAGCCAGGGTCCAC 3´

GLUT1 antisense: 5´CACAGTGAAGATGATGAAGAC 3´


I tried to solve it myself but I d
Genetics and Developmental Biology   mashu   443   Asked 8 years ago
Estimate the probability of affected children in IV generation autosomonal recessive disease with th
Estimate the probability of affected children in IV generation autosomonal recessive disease with th
Hello I need to help with some biology genetics and prognosis, can you answer this question for me with a detail explanation, and also could you explain how different diseases, i.e. AR, AD, GD, and GR, are answered in similar questions. Regarding the question.
Estimate the probability of affected children in IV generation autosomonal recessive disease with the frequency of 1 si
Genetics and Developmental Biology   mayesford   385   Asked 8 years ago
A phenotypically normal woman is having a hard time getting pregnant. as her doctor, you run a karyo
A phenotypically normal woman is having a hard time getting pregnant. as her doctor, you run a karyo
a phenotypically normal woman is having a hard time getting pregnant. as her doctor, you run a karyotype and determine that sheis a carrier for a reciprocal translocation 4:20, while her husband's karyotype is normal

1. Explain her sub-fertility by drawing out all of her possible gametes

2. Now give chromosomal composition and phenotypes, with their expect
Genetics and Developmental Biology   lirun21319   1066   Asked 8 years ago
The table below gives allele frequencies at loci A and B in a strain of pocket m
The table below gives allele frequencies at loci A and B in a strain of pocket m
The table below gives allele frequencies at loci A and B in a strain of pocket mice, and the haplotype frequency for the A1B1 haplotype.

Part A
What is the actual observed frequency of the A2B1 haplotype?
A) 0.24
B) 0.14
C) 0.128
D) 0.04

Part B
What is the actual observed frequency of the A1B2 haplotype?
A) 0.14
Genetics and Developmental Biology   morgan795   3612   Asked 8 years ago
hsa-miR-99, functions? targets?
hsa-miR-99, functions? targets?
Could someone please help me identify or look up or direct me towards finding the targets of this microRNA and its implications in breast cancer? hsa-miR-99 (human mature form)
Genetics and Developmental Biology   ehd123   2083   Asked 8 years ago
quantifying PCR with MAK2
quantifying PCR with MAK2
I am having trouble with this quantification method. I am a CS major working in a developmental biology lab so I do apologize before hand if this question is dumb.

The MAK2 model for qPCR is: "Dn = (Dn-1) + (k)ln(1+((Dn-1)/k))", "Dn" is the value at cycle "n". "D0" and "k" are the only two adjustable parameters that deter
Genetics and Developmental Biology   requiem31   1303   Asked 8 years ago
m.A given enzyme consists of two subunits (a dimer), which are specified by a s
m.A given enzyme consists of two subunits (a dimer), which are specified by a s
A given enzyme consists of two subunits (a dimer), which are specified by a single gene locus.

i.If a = normal subunit and a’ = mutated subunit, what subunit combinations might be found in a heterozygote, assuming random association between these subunits?

ii.If the mutation resulted in a net change in the charge of the molecule, how many bands would be detecta
Genetics and Developmental Biology   mki   5797   Asked 9 years ago
Calculate the number of mismatches that could occur in one human cell during one
Calculate the number of mismatches that could occur in one human cell during one
Calculate the number of mismatches that could occur in one human cell during one round of replication in the absence of mismatch repair. Assume that mismatch repair decreases the number of mutations by a factor of 1000.
Express your answer using two significant figures.
Genetics and Developmental Biology   mki   788   Asked 9 years ago
Calculate the number of mismatches that could occur in one human cell during one
Calculate the number of mismatches that could occur in one human cell during one
Calculate the number of mismatches that could occur in one human cell during one round of replication. Assume the size of the human genome is 3.2 billion base pairs. Assume the error rate is 1 mismatch per 10^10 bp.
Express your answer using two significant figures.
Genetics and Developmental Biology   mki   1249   Asked 9 years ago
You decide to cross the reciprocal translocation strain to a pure (black, sepia)
You decide to cross the reciprocal translocation strain to a pure (black, sepia)
You decide to cross the reciprocal translocation strain to a pure (black, sepia) line to generate female F1 flies that are both translocation heterozygotes and BbSs dihybrids.

You then backcross these F1 females to males from the pure (black, sepia) line. This diagram shows synapsis in the F1 females. (In the diagram, NII = normal chromosome II; TII = translocated chromos
Genetics and Developmental Biology   sam01   2612   Asked 9 years ago
DNA Synthesis: heated and cooled, fregments & total DNA. hybridized? Help!
DNA Synthesis: heated and cooled, fregments & total DNA. hybridized? Help!
1-   During DNA synthesis, small fragments of DNA are formed.  They were collected and combined with total DNA.  The mixture was heated and cooled down.  What would you expect to happen?
a.   The small fragments would hybridize together
b.   The small fragments would not hybridize to native DNA
c.   The small fragments would hybridize to the leading strand; the
Genetics and Developmental Biology   TinkerBell2175   404   Asked 9 years ago
gene mapping and recombination trait
gene mapping and recombination trait
In green turtles, an odd number of plates on there shell is dominant over an even number of plates. On the same chromosome is a gene for ear spot color with red being dominant over orange. On this same chromosome is the gene for strip color on the body with yellow being incompletely dominant with blue strips. These turtles were crossed in a breeding experiments and the following dat
Genetics and Developmental Biology   samya   460   Asked 9 years ago
The GTP binding domain of elongation factor Tu (EF-Tu) and elongation factor 1α
The GTP binding domain of elongation factor Tu (EF-Tu) and elongation factor 1α
The GTP binding domain of elongation factor Tu (EF-Tu) and elongation factor 1α (EF-1 α) contains an eight amino acids conserved region, with the sequence FIKNMITG (using the one letter code).  Here you are designing only one of the two primers required for PCR.


a.   If you were using this region to design a primer to amplify by PCR the sense strand of EF-Tu/EF-1
Genetics and Developmental Biology   mki   392   Asked 9 years ago
Genetics Crossing Dominant and true breeding
Genetics Crossing Dominant and true breeding
1. The ability to curl one’s tongue into a U-shape (Q) is dominant to noncurlers (q). A curler woman has a father who is a noncurler. She has five children with a noncurler man. What is the probability that four children are curlers and the other is a noncurler?

2. Your lab is investigating the genetics of a new species of beetle. You have isolated a truebreeding line tha
Genetics and Developmental Biology   MikeMello   458   Asked 9 years ago
Did I answer these correctly?
Did I answer these correctly?
1. A diploid somatic cell from a pigeon (Columba livia) has a total of 80 chromosomes (2n = 80).
Chickens have the ZZ-ZW chromosomal sex determination. What is the total number of chromosomes present in a single cell during prophase II of meiosis?
a. 80 ANSWER
b. 40
c. 160
d. 120
e. 20

2. In the pigeon example above, what is the total number
Genetics and Developmental Biology   MikeMello   1045   Asked 9 years ago
what is the difference between population specific genetic maps and Rutgers maps
what is the difference between population specific genetic maps and Rutgers maps
what is the difference between population specific genetic maps and Rutgers maps
Genetics and Developmental Biology   dreamer23   738   Asked 9 years ago
After a forest fire on the lower slopes of the Rockies, there are significant...
After a forest fire on the lower slopes of the Rockies, there are significant...
After a forest fire on the lower slopes of the Rockies, there are significant changes in the number and type of plant species found in the disturbed area. Describe how succession occurs in this plant community over the 150 years following a major fire.

Plants:  aspen, birch, and poplar trees. Dogwood, alder and willow are common scrubs. Riverside plants cattails, sed
Genetics and Developmental Biology   7dog47   1074   Asked 9 years ago
Quantitative Inheritance Questions
Quantitative Inheritance Questions
. In rye grass, seed color is a polygenic trait (additive model). If true-breeding red and white varieties are crossed, the F1 are intermediate in color. If the F1 are self-fertilized, about 1 in 64 have white seeds. If the F1 are testcrossed, how many different genotypic categories will be produced?

A. one
B. two
C. three
D. eight
E. 64
7. In rye
Genetics and Developmental Biology   D-rose   483   Asked 9 years ago
how many genes are in the F2?
how many genes are in the F2?
how many genes contribute to tooth length
variation in saber tooth tigers?

 what phenotypic classes would you expect to
observe in the F2 generation?
Genetics and Developmental Biology   xg3r4dx   467   Asked 9 years ago
Please put the full answer Not just A,B
Please put the full answer Not just A,B
someone put only the answers but would you put it the full answer please instead only putting A,B Thanks.
Case Studies: Pediatrics: Congenital Heart Disease: Billy Adams

01) B

02) A

03) C

04) B

05) D

06) A

07) D

08) B

09) C

10) C

11) C

12) B
Genetics and Developmental Biology   jakson LL   428   Asked 9 years ago
Sex Linked Traits Work-Sheet
Sex Linked Traits Work-Sheet
I don't understand how the first table in this worksheet is meant to be answered.  Any ideas?  I've included the rest of the lab for context purposes.  

Virtual Lab:  Sex-Linked Traits
Worksheet


2.   Next, complete the Punnett square activity by clicking on the laboratory notebook.  Please be sure to note the possible
Genetics and Developmental Biology   coboco   1730   Asked 9 years ago
Molecular Model: ATP, dATP, ddATP
Molecular Model: ATP, dATP, ddATP
Which of the following molecules is a nucleotide precursor that is incorporated into the newly synthesized DNA strand during normal DNA replication
Genetics and Developmental Biology   tameka30   3183   Asked 9 years ago
X linked recessive mutations and suppressors?
X linked recessive mutations and suppressors?
In Drosophila, the X-linked recessive mutation vermilion (v) causes bright red eyes, in contrast to the brick-red eyes of wild type.

A separate autosomal recessive mutation, suppressor of vermilion (su-v), causes flies homozygous or hemizygous for v to have wild-type eyes.

In the absence of vermilion alleles, su-v has no effect on eye color.

You then
Genetics and Developmental Biology   srmtrc   1866   Asked 9 years ago
First identify the gametes. Use pink labels to identify the male and female game
First identify the gametes. Use pink labels to identify the male and female game
First identify the gametes. Use pink labels to identify the male and female gamete types and white labels to identify the gamete frequencies.
Genetics and Developmental Biology   tranngo546   1765   Asked 9 years ago
Epistatic pathway construction
Epistatic pathway construction
Based on the epistatic interactions shown below, construct a genetic pathway for the regulation of geoduck siphon length.

gene   mutant phenotype   
sipple   long siphon
geyuk   long siphon
hnuk           long siphon
stub            short siphon
nubin     short siphon

genotype   phenotype
sipple; stub   l
Genetics and Developmental Biology   xg3r4dx   443   Asked 9 years ago
In humans, a hypothetical trait is under the control of a single gene, A.
In humans, a hypothetical trait is under the control of a single gene, A.
In humans, a hypothetical trait is under the control of a single gene, A.  Four alleles have been found:  A1, which is dominant to all others;  A2, which is dominant to A3 and A4, which are codominant.

If gene A is on an autosome, how many different genotypes are possible?

If gene A is on an autosome, how many different phenotypes are possible?
Genetics and Developmental Biology   jestevez13   830   Asked 9 years ago
The binding of cAMP to the CAP protein involves numerous electrostatic interacti
The binding of cAMP to the CAP protein involves numerous electrostatic interacti
The binding of cAMP to the CAP protein involves numerous electrostatic interactions. Most of the interactions are hydrogen bonds between cAMP atoms and the side chains of various amino acids in the CAP protein.
Which of the following is a salt bridge rather than a hydrogen bond?
Genetics and Developmental Biology   eli64   2338   Asked 9 years ago
Recombination and the Role of Chromosomal Exchange
Recombination and the Role of Chromosomal Exchange
I read my genetic book for this, but I can't seem to find the answers. Please help if possible.

PART A
The discernible difference in length between the two X chromosomes of the female fruit fly was important in Stern’s experiments because _______.
   A) it allowed cytological detection of physical exchange between the chromosomes
   B) it allowed him to p
Genetics and Developmental Biology   JaeYang   907   Asked 9 years ago
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