Genetics and Developmental Biology

Can anyone get this files for me from course hero immediately

Can anyone get this files for me from course hero immediately

    
Can anyone get this files for me from course hero   ?

http://www.coursehero.com/file/6349666/exam2-2/
http:/

Tasnim   398   2 Replies

Tasnim

Changes in ploidy and DNA content during meiosis The parent cell that enters m

Changes in ploidy and DNA content during meiosis The parent cell that enters m

 Changes in ploidy and DNA content during meiosis
The parent cell that enters meiosis is diploid, whereas the four daughter cells that result are haploid.
Which statement correctly describes how cellular DNA content and ploidy levels change

AMOR13   1942   1 Reply

a.mal

(1) Which end (5' or 3') of the molecule is here?

(1) Which end (5' or 3') of the molecule is here?

Below is a diagram of DNA replication as currently believed to occur in E. coli. From specific points, arrows lead to numbers. Answer the questions relating to the locations specified by the numbers.
 

(1) Which end (5' or 3'

ORPHEE   1113   1 Reply

wrsim2

1000 years go by and genetic differences begin to accumulate. The number of unique alleles within e

1000 years go by and genetic differences begin to accumulate. The number of unique alleles within e

Help me with this question, please!

1000 years go by and genetic differences begin to accumulate. The number of unique alleles within each population likely increases. What is the origin of the unique alleles in each of the subpopulations?

Anonymous   95   1 Reply

Anonymous

5 QUESTIONS SOME ATTACHED I NEE IT SOONNNNNNNN

5 QUESTIONS SOME ATTACHED I NEE IT SOONNNNNNNN

1) Compare and contrast mitosis and meiosis. Give at least 4 similarities and/or differences.





2) SEE FIRST IMAGE TO ANSWER
There are two processes in meiosis that contribute to genetic variation.
Name ea

Anonymous   361   2 Replies

Anonymous

A metabolic reaction requires 40 units of enzymatic activity to proceed. If a d

A metabolic reaction requires 40 units of enzymatic activity to proceed. If a d

 A metabolic reaction requires 40 units of enzymatic activity to proceed. If a dominant allele "D" can generate 40 units of enzyme and a mutant allele "d" generates 20 units of enzyme, what can be said of the dominant wild-type al

mikael   725   2 Replies

mikael

All of the following are required in complementation testing in yeast except __

All of the following are required in complementation testing in yeast except __

a. an auxotrophic organism
b. diploid cells
c. mutations that are recessive
d. two or more mutations that affect a single phenotype

Biosana   2255   1 Reply

padre

An inherited disease that primarily affects women and not men is likely to be c

An inherited disease that primarily affects women and not men is likely to be c

 An inherited disease that primarily affects women and not men is likely to be caused by

Emush   1547   1 Reply

bio_man

Animal cells that are present only for a brief developmental phase will, follow

Animal cells that are present only for a brief developmental phase will, follow

Animal cells that are present only for a brief developmental phase will, following completion of that phase, undergo     

A) re-differentiation.
B) diapause.
C) meiosis.
D) apoptosis
E) oxidative phosphorylati

ppk   1988   1 Reply

bio_man

Cells move to new positions as an embryo establishes its three germ tissue laye

Cells move to new positions as an embryo establishes its three germ tissue laye

Cells move to new positions as an embryo establishes its three germ tissue layers during     
A) cleavage.
B) determination.
C) fertilization.
D) gastrulation.
E) induction.

ppk   2922   1 Reply

duddy

Cells transplanted from the neural tube of a frog embryo to the ventral part of

Cells transplanted from the neural tube of a frog embryo to the ventral part of

 Cells transplanted from the neural tube of a frog embryo to the ventral part of another embryo develop into nervous system tissues. This result indicates that the transplanted cells were   

A) determined.
B) totipotent.
C)

ppk   3377   1 Reply

duddy

Determining the mode of inheritance?

Determining the mode of inheritance?

Pedigree Analysis: Dominant and Recessive Autosomal Conditions
Geneticists analyze pedigrees to follow the inheritance of genetically controlled conditions. Three things must be determined in a pedigree analysis:
The mode of inheritance of

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dbos   27018   30 Replies

epithelialgirl

Discuss some of the physiological and physical factors that contributes to lact

Discuss some of the physiological and physical factors that contributes to lact

Rachael Martin is an avid runner and athlete at a large university and has been given a scholarship to participate in women's track. Sometimes she is uncomfortable to the point of pain after her workouts. She reports that the pain is probably du

Kiwi420   3799   3 Replies

bio_man

dna extraction by the sodium perchlorate method but i get slimy ppt and no dna

dna extraction by the sodium perchlorate method but i get slimy ppt and no dna

.i have been carrying out dna extraction by the sodium perchlorate metthod but lately there is lot of white ppt which is slimy after addition of chloroform and dna does not get extracted

pathak   774   2 Replies

GDNA extraction

DNA strand

DNA strand

What term is used to describe the pattern of base pairing between one DNA strand and its partner in a duplex?

pinkteacup   459   3 Replies

fodog414

Do the karyotypes of the parents help explain the occurrence of the three previ

Do the karyotypes of the parents help explain the occurrence of the three previ

A healthy couple with a history of three previous spontaneous abortions has just had a child with cri-du-chat syndrome, a disorder caused by a terminal deletion of chromosome 5. Their physician orders karyotype analysis of both parents and of the chi

mic2014   2988   5 Replies

Kacey Jones

Environmental biology

Environmental biology

Paul ehrlich and e.o Wilson offered a number of reasons to protect biodiversity what were they? Check all that apple:
1 Earth cannot survive another mass extinction
2 People have an aesthetic and moral obligation to protect earths species

Riley bisbell   94   1 Reply

bio_man

Erminette fowls

Erminette fowls

 Erminette fowls have mostly light colored feathers with an occasional black one, giving a flecked appearance. A cross of two erminettes produced a total of 48 progeny, consisting of 22 erminettes, 14 blacks, and 12 pure whites. What genetic basis of

Shu   483   1 Reply

bio_man

exon shuffling

exon shuffling

what is         exon shuffling       and        what are the mechanisms of exon shuffling?   

fareh   852   3 Replies

fareh

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 sen

mashu   468   N/A

mashu

Frequencies of alleles. Mastering Genetics

Frequencies of alleles. Mastering Genetics

In an isolated population of 1000 individuals, 444 are genotype MN, 478 are MM, and 78 are NN. What are the frequencies of the M and N alleles in this population?


    f(M) = 0.7, f(N) = 0.3
    f(M) = 0.5, f(N) = 0.5
    f(M) = 0

davis.tasha92   3917   5 Replies

bio_man

genetics question about mapping cross

genetics question about mapping cross

You set up a mapping cross involving your favorite gene (YFG) in Neurospora and determine the following octad types: 4:4 arrangement 83; 2:4:2 arrangement 7; 2:2:2:2 arrangement 10. What is the distance between your gene and the centromere?

marbe969   936   4 Replies

Rishav Nag

Hedgehog (Hh), and many other signaling pathways, were originally discovered in

Hedgehog (Hh), and many other signaling pathways, were originally discovered in

 Hedgehog (Hh), and many other signaling pathways, were originally discovered in Drosophila. Hedgehog was so named because of bristles all over the early embryo, resembling a hedgehog. It works, with other genes, to develop the anterior-posterior axi

mikael   383   2 Replies

mikael

How do cancer cells differ from normal cells in these processes?

How do cancer cells differ from normal cells in these processes?

How do normal cells protect themselves from accumulating mutations in genes that could lead to cancer? How do cancer cells differ from normal cells in these processes?

Fill in:
 
Normal cells are often capables of withsta

marbe969   2773   3 Replies

padre

How does chromosomal inheritance during meiosis explain Mendel’s law of indepen

How does chromosomal inheritance during meiosis explain Mendel’s law of indepen

 How does chromosomal inheritance during meiosis explain Mendel’s law of independent assortment?

bfloo   937   1 Reply

padre

Identify the number of corn kernels that represent the four phenotypes.

Identify the number of corn kernels that represent the four phenotypes.

The information above represents an F2 generation. Identify the number of corn kernels that represent the four phenotypes.

Number :    ______    _______      _______     ________ 
&n

SAMH   2182   3 Replies

bio_man

If the frequency of PKU (an autosomal recessive disease) is 1%, what percentage

If the frequency of PKU (an autosomal recessive disease) is 1%, what percentage

 If the frequency of PKU (an autosomal recessive disease) is 1%, what percentage of the population are completely unaffected (homozygous dominant)?

mikael   713   2 Replies

mikael

In sea urchins, the "fast block" and the longer lasting "slow block" to polyspe

In sea urchins, the "fast block" and the longer lasting "slow block" to polyspe

 In sea urchins, the "fast block" and the longer lasting "slow block" to polyspermy, respectively, are     
A) the jelly coat of the egg and the vitelline membrane.
B) inactivation of the sperm acrosome.

ppk   2841   1 Reply

bio_man

In which division of meiosis did nondisjunction occur I or II?

In which division of meiosis did nondisjunction occur I or II?

Only a small fraction of human fetuses with trisomy 18 survive to birth, and most surviving trisomy 18 newborns die in infancy. You prepared DNA samples from umbilical cord blood of a newborn baby with trisomy 18, as well as from his parents’ blood.

Medels-son   509   1 Reply

5seal

Independent assortment predicts a 9:3:3:1 ratio with four different phenotypes

Independent assortment predicts a 9:3:3:1 ratio with four different phenotypes

 Independent assortment predicts a 9:3:3:1 ratio with four different phenotypes in the F2 progeny. If the alleles are epistatic, what would you predict?
A) more than four phenotypes
B) fewer than four phenotypes
C) heterozygotes with a

mikael   1030   2 Replies

mikael

List three abnormalities involving numbers of X chromosomes.

List three abnormalities involving numbers of X chromosomes.

 List three abnormalities involving numbers of X chromosomes.

colleen   647   1 Reply

savio

Meroblastic cleavage occurs in

Meroblastic cleavage occurs in

 Meroblastic cleavage occurs in   
A) humans, but not sea urchins or birds.
B) birds, but not sea urchins or humans.
C) both sea urchins and birds, but not humans.
D) sea urchins, but not humans or birds.
E) both h

ppk   2972   1 Reply

duddy

Name at least three applications for examining sequence variants such as RFLPs.

Name at least three applications for examining sequence variants such as RFLPs.

 Name at least three applications for examining sequence variants such as RFLPs.

colleen   1059   2 Replies

colleen

need help please

need help please

1- Baur and Shull crossed broad-leaved females of the plant species Lychnis alba to narrow-leaved males and obtained an F1 consisting of males and females that were all broad leaved, but the F2 were of two kinds, broad-leaved and narrow-leaved. 

rony   651   N/A

rony

One major difference between prokaryotic and eukaryotic genes is that eukaryoti

One major difference between prokaryotic and eukaryotic genes is that eukaryoti

 One major difference between prokaryotic and eukaryotic genes is that eukaryotic genes can contain internal sequences, called ________, that get removed in the mature message.

colleen   881   3 Replies

colleen

One of the Hardy-Weinberg assumptions states that all genotypes in the populati

One of the Hardy-Weinberg assumptions states that all genotypes in the populati

 One of the Hardy-Weinberg assumptions states that all genotypes in the population are free of selective advantage. What influence might a selective advantage of a genotype have on a Hardy-Weinberg equilibrium?   

colleen   693   1 Reply

nite_n_day

Part B - How can someone with a Y chromosome develop as a female?

Part B - How can someone with a Y chromosome develop as a female?

One key determinant of sex determination is the SRY gene itself. This gene is located on the Y chromosome, and the protein it encodes is a DNA binding protein that regulates other genes. The normal action of the SRY protein is to induce transcr

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dimplepatel2013   11222   30 Replies

urine tsunami

polymorphic regions questions

polymorphic regions questions

Where would you expect to find more polymorphic regions, in coding or non-coding regions of the genome? explain?

i know that they are regions that do not code for the production of protein and hence, no phenotypic differences are ob

moe6141   551   1 Reply

e.augustin@um

The cortical reaction of sea urchin eggs functions directly in

The cortical reaction of sea urchin eggs functions directly in

The cortical reaction of sea urchin eggs functions directly in 
A) the production of a fast block to polyspermy.
B) the fusion of egg and sperm nuclei.
C) the release of hydrolytic enzymes from the sperm.
D) the generation o

ppk   2946   1 Reply

duddy

The effect of Ca2+ channel blockers on formation of the fertilization envelope

The effect of Ca2+ channel blockers on formation of the fertilization envelope

The role of Ca2+ ions in the formation of the fertilization envelope and blocking polyspermy can be further studied using Ca2+ channel blockers. As their name suggests, Ca2+ channel blockers block the movement of Ca2+ ions through channels. In the ca

adrii01   15606   12 Replies

bio_man