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Why do amphibians have so much more DNA than humans?
Why do amphibians have so much more DNA than humans?
Why do amphibians have so much more DNA than humans?
 
  A. Amphibians have more repetitive sequences than do humans
  B. Amphibians are more biologically complex than mammals are
  C. Amphibians have more genes than do humans
 
  D. Amphibians are tetraploid, while humans are diploid
Genetics and Developmental Biology   Goodtomyself   25   Asked A year ago
If a bacteria is placed in an environment that contains both glucose and lactose, the regulation of ...
If a bacteria is placed in an environment that contains both glucose and lactose, the regulation of ...
If a bacteria is placed in an environment that contains both glucose and lactose, the regulation of the lac operon will allow which nutrient to be processed first?
 
  A. Glucose
  B. Lactose
  C. Both will be processed equally
  D. Neither will be processed in this environment
Genetics and Developmental Biology   WadeChl   31   Asked A year ago
Translational regulatory proteins recognize specific areas of what molecule?
Translational regulatory proteins recognize specific areas of what molecule?
Translational regulatory proteins recognize specific areas of what molecule?
 
  A. tRNA
  B. ribosome
  C. rRNA
  D. mRNA
Genetics and Developmental Biology   jeremy.l32   25   Asked A year ago
DNA that contains instructions for two or more structural genes produces monocistronic mRNA. ...
DNA that contains instructions for two or more structural genes produces monocistronic mRNA. ...
DNA that contains instructions for two or more structural genes produces monocistronic mRNA.
 
  Indicate whether the statement is true or false
Genetics and Developmental Biology   Matyler98   33   Asked A year ago
In the lac operon, the operator site is recognized by an activator protein. (True or false?)
In the lac operon, the operator site is recognized by an activator protein. (True or false?)
In the lac operon, the operator site is recognized by an activator protein.
 
  Indicate whether the statement is true or false
Genetics and Developmental Biology   GermanBiter14   35   Asked A year ago
The Holliday model is used to explain which of the following?
The Holliday model is used to explain which of the following?
The Holliday model is used to explain which of the following?
 
  A. Recombination between homologous chromosomes
  B. Recombination between sister chromatids
  C. The migration of transposons
  D. The replication of transposons
  E. The generation of antibody diversity
Genetics and Developmental Biology   alijan99   28   Asked A year ago
Which of the following genes was mobile in McClintock's experiments with mutable sites in corn? ...
Which of the following genes was mobile in McClintock's experiments with mutable sites in corn? ...
Which of the following genes was mobile in McClintock's experiments with mutable sites in corn?
 
  A. Ds
  B. C
  C. Sh
  D. Wx
  E. All of the answers are correct
Genetics and Developmental Biology   SDINIC89   25   Asked A year ago
Which of the following processes accounts for the tremendous variation in antibody structure?
Which of the following processes accounts for the tremendous variation in antibody structure?
Which of the following processes accounts for the tremendous variation in antibody structure?
 
  A. RNA editing
  B. Site-specific recombination
  C. Integrase activity
  D. Physiological adaptation
  E. Hot spots of mutation in the immunoglobin genes
Genetics and Developmental Biology   slashbro   24   Asked A year ago
The majority of human cancers are caused by ______.
The majority of human cancers are caused by ______.
The majority of human cancers are caused by ______.
 
  A. viral infections
  B. inherited mutations
  C. spontaneous mutations
 
  D. carcinogens
Genetics and Developmental Biology   AyeDocJ   42   Asked A year ago
The first acutely transforming virus to be isolated was _____.
The first acutely transforming virus to be isolated was _____.
The first acutely transforming virus to be isolated was _____.
 
  A. RSV in chickens
  B. Hepatitis B in humans
  C. SSV in monkeys
  D. ALV in mice
  E. SV40 in humans
Genetics and Developmental Biology   Fignshev   19   Asked A year ago
Checkpoint proteins act as ________. (Multiple Choice)
Checkpoint proteins act as ________. (Multiple Choice)
Checkpoint proteins act as ________.
 
  A. oncogenes
  B. growth factors
  C. proto-oncogenes
 
  D. tumor-suppressing genes
Genetics and Developmental Biology   Ebony321   28   Asked A year ago
Regions of a chromosome that contain groups of linked genes in several species are called ____. ...
Regions of a chromosome that contain groups of linked genes in several species are called ____. ...
Regions of a chromosome that contain groups of linked genes in several species are called ____.
 
  A. linkage groups
  B. synteny groups
  C. regression groups
 
  D. homology groups
Genetics and Developmental Biology   litty 123   29   Asked A year ago
What is trure concerning a quantitative trait?
What is trure concerning a quantitative trait?
What is trure concerning a quantitative trait?
 
  A. Individuals fall into distinct classes for comparison
  B. The phenotypic variation for the trait is continuous
  C. The phenotypic variation for the trait falls into two to three classes
  D. The frequency distribution of the trait will have an asymmetrical shape
Genetics and Developmental Biology   hihihihihihi   37   Asked A year ago
Which of the following statements about the prevalence of neurological disease in the U.S. today is
Which of the following statements about the prevalence of neurological disease in the U.S. today is
Which of the following statements about the prevalence of neurological disease in the U.S. today is false?

a. There are more people diagnosed with stroke than with epilepsy.
b. There are more people diagnosed with Alzheimer's disease than with head trauma.
c. There are more people diagnosed with cerebral palsy than with epilepsy.
d. There are more peop
Genetics and Developmental Biology   cloveb   134   Asked A year ago
At this time, million people in the U.S. population are suffering from mood-related disorders.
At this time, million people in the U.S. population are suffering from mood-related disorders.
At this time, ____________  million people in the U.S. population are suffering from mood-related disorders.

a. 1.5
b. 45
c. 60
d. 85
Genetics and Developmental Biology   cloveb   127   Asked A year ago
Provide the phenotypes and genotypes of all individuals in the pedigree.
Provide the phenotypes and genotypes of all individuals in the pedigree.
Duchenne muscular dystrophy is an X-linked recessive trait. The following pedigree shows the occurrence of this disorder in an extended family.
Provide the phenotypes and genotypes of all individuals in the pedigree.

Enter phenotypes as affected or normal.

When entering the genotypes, use one of the following: XDXd, XdXd, XDXD, XdY, or XDY; where XD rep
Genetics and Developmental Biology   silverardo   211   Asked A year ago
Genotypes, parent dominat traits
Genotypes, parent dominat traits
Hi there!


Use the following hypothetical information to answer the next two questions.
Eye colour in humans appears to be controlled by multiple alleles. The green allele and the brown allele are dominant to blue. Green eye colour is expressed only in the absence of a brown allele.
Red-green colour blindness is a sex-linked trait. Red-green colour blind
Genetics and Developmental Biology   silverardo   199   Asked A year ago
Calculating genotypes
Calculating genotypes
 A black body color (as opposed to the wild-type yellow color) in fruit flies is due to the recessive ebony allele, e. Small wings are due to the recessive vestigal allele, vg.  You wish to deduce the genotype of a yellow-bodied large-winged male fruit fly.  What are all the possible genotypes this male could be at the ebony and vestigal loci?  What is the genotype an
Genetics and Developmental Biology   Jessc   329   Asked A year ago
Complementation problem: possible region of deletion place the mutation on the thick line which ...
Complementation problem: possible region of deletion place the mutation on the thick line which ...
I need help with part B of this problem, I've asked Genetics tutors, other professors and even went on chegg to use the expert Q&A --  I've done part A and I know that 3 complements 1, 2 and 6 are unable to complement and 3,4,5 and 1,2 6 have similar mutations

but I have no idea if I am right?
my genetics professor says that if I look at row 4 and
Genetics and Developmental Biology   exlax2   201   Asked A year ago
Neither individual I-4 or I-6 has ever had his or her blood tested. What are their blood types? ...
Neither individual I-4 or I-6 has ever had his or her blood tested. What are their blood types? ...
Neither individual I-4 or I-6 has ever had his or her blood tested. What are their blood types? Enter your answer in its simplest form.
 
I - 4 is blood type Answer
.
I - 6 is blood type Answer

PLEASE HELP!!!! Confounded Face
Genetics and Developmental Biology   txg   374   Asked 2 years ago
Analyzing chromosome 1 of a male and female
Analyzing chromosome 1 of a male and female
1. The first child of this couple was Rh- (Rhesus negative). What is the chance that the second child of this is a girl and Rh- (Rhesus negative)? Use Punnett squares and/or the calculation to show your work.

2. Nomenclature for writing alleles on a homologous chromosome pair
 
The phrase DEP/dep means the first three letters, DEP, represent the order in
Genetics and Developmental Biology   helpmepassbio   402   Asked 2 years ago
Though we often think of genes in terms of the phenotypes they produce.......
Though we often think of genes in terms of the phenotypes they produce.......
Though weoften think of genes in terms of the phenotypes they produce (e.g., curly leaves, flaky tail, brown eyes), the molecular function of most genes is to encode proteins.  Many cellular proteins function as enzymes.  The table that follows describes the map distance between six different genes that encode six different enzymes: Ada, adenosine deaminase, Hao-1, hydroxy
Genetics and Developmental Biology   Miss_Oblivious   531   Asked 2 years ago
What is the map distance to 4 significant figures between the A and B loci?
What is the map distance to 4 significant figures between the A and B loci?
"These are the results of a three point test cross in Drosophila for the three loci ABC: aCB = 1444, ACb = 245, AcB = 1222, ACB = 2212, aCb = 1333, acB = 299, Acb = 1499, acb = 2333. What is the map distance to 4 significant figures between the A and B loci? Hint: Establish gene order first."
Genetics and Developmental Biology   LittleOne94   1071   Asked 2 years ago
What is the map distance to 4 significant figures between A and B loci?
What is the map distance to 4 significant figures between A and B loci?
"These are the results of a three point test cross in Drosophila for the three loci ABC: aCB = 354, ACb = 28, AcB = 261, ACB = 666, aCb = 256, acB = 35, Acb = 309, acb = 578. What is the map distance to 4 significant figures between the A and B loci? Hint: Establish gene order first."
Genetics and Developmental Biology   LittleOne94   887   Asked 2 years ago
How can I determine how many Genetic Loci control a specific trait?
How can I determine how many Genetic Loci control a specific trait?
So I have a question about finding how many loci control a certain trait. I don't know how to determine it.

The info: (Disregard any outside info retaining to the specific animal)

Pure-bred male White Cat mated with a Pure-bred female Brown Cat.
They produced 90 progeny ALL Brown.
Randomly interbreeding F1, they produced 1600 F2 progeny.
9
Genetics and Developmental Biology   Willmob12   232   Asked 2 years ago
Genetics Bio 12 Please!
Genetics Bio 12 Please!
1. 12 out of 2400 babies that were born at a maternity hospital died shortly after birth from colonic obstruction due to a recessive allele. Determine the frequency of the lethal allele in the population, expressed as a percent.


2. 10 of 2400 babies born at a maternity hospital died shortly after birth from colonic obstruction due to a recessive allele. What percent
Genetics and Developmental Biology   leximads8   262   Asked 2 years ago
Race is to ethnicity as:
Race is to ethnicity as:
Race is to ethnicity as:

   A.   
individualism is to collectivism.
   B.   
biological is to cultural.
   C.   
nurture is to nature.
   D.   
theoretical research is to applied research.
Genetics and Developmental Biology   angie21   277   Asked 2 years ago
Cell-based manufacturing in animal cell tissue culture
Cell-based manufacturing in animal cell tissue culture
I am interested to gain more knowledge  on this topic. I be really grateful if you guys can provide any information regarding this topic (books, journals...etc). Your feedback is highly appreciated. Slight Smile
Genetics and Developmental Biology   Yutadono   225   Asked 2 years ago
The first two prenancies for a couple result in late term stillbirths...
The first two prenancies for a couple result in late term stillbirths...
The first two pregnancies for a couple result in late term stillbirths. The reproductive histories of both families, over 3 generations, were compiled. A pattern of frequent miscarriages, stillbirths and malformed babies that died shortly after birth were seen in the husband's family. The husband has a karyotype done, which shows that he has the normal number of chromosomes. Wh
Genetics and Developmental Biology   chitowwn94   231   Asked 2 years ago
Describe a technological procedure that could be used to determine the genetic condition of a fetus
Describe a technological procedure that could be used to determine the genetic condition of a fetus
Could someone please help me with this question?

Also, for the second part of the question it asks to whom a genetic counsellor would recommend this procedure... I thought it would be to older women who have a higher risk of getting children with a genetic disorder, is that right?
Genetics and Developmental Biology   x-bio-x   241   Asked 2 years ago
The role of tumor suppressor genes in cancer developmen
The role of tumor suppressor genes in cancer developmen
 Confounded Face
Genetics and Developmental Biology   watermelona3   395   Asked 2 years ago
Examine the graphs and answer the following questions:
Examine the graphs and answer the following questions:
B) what is occurring at E

C) what is occurring at region F

D) what events are occurring in region G

E) what are suitable labels for regions H and I
Genetics and Developmental Biology   Taylorbishopxox   295   Asked 2 years ago
Help with Identificatying Restriction Enzyme Recognition Sites in a DNA sequence
Help with Identificatying Restriction Enzyme Recognition Sites in a DNA sequence
Hi Folks,

I'm really struggling with a PCR & restriction enzyme question that's part of my formative (unmarked) work for the summer months in preparation from an Applied Biology course at University.

The entire set of questions are set out on an instruction sheet so I'll try to replicate them here as I'm struggling to fully understand ho
Genetics and Developmental Biology   AppliedBiology9   404   Asked 2 years ago
What advantages does pUC18 have in terms of recombinant DNA technology?
What advantages does pUC18 have in terms of recombinant DNA technology?
What advantages does pUC18 have in terms of recombinant DNA technology?  List 3 such advantages.
Genetics and Developmental Biology   Chrysler2008   891   Asked 3 years ago
Regarding a gene's DNA sequence, what is meant by a sequence motif?
Regarding a gene's DNA sequence, what is meant by a sequence motif?
Regarding a gene's DNA sequence, what is meant by a sequence motif? 
Genetics and Developmental Biology   Chrysler2008   259   Asked 3 years ago
Assume that you have cut λ DNA with the restriction enzyme HindIII.
Assume that you have cut λ DNA with the restriction enzyme HindIII.
Assume that you have cut λ DNA with the restriction enzyme HindIII. You separate the fragments on an agarose gel and stain the DNA with ethidium bromide. You notice that the intensity of the stain is less in the bands that have migrated closer to the "+" pole. Give an explanation for this finding.
Genetics and Developmental Biology   Chrysler2008   782   Asked 3 years ago
Dysfunction in what process leads to the O blood type?
Dysfunction in what process leads to the O blood type?
Regarding the nature of the ABO blood groups, dysfunction in what process leads to the O blood type?
Genetics and Developmental Biology   Chrysler2008   726   Asked 3 years ago
Describe the general structure of a transcription factor.
Describe the general structure of a transcription factor.
Describe the general structure of a transcription factor.  What two domains do transcription factors tend to have?
Genetics and Developmental Biology   Chrysler2008   208   Asked 3 years ago
Why would the method used in yeast be ineffective in mice?
Why would the method used in yeast be ineffective in mice?
Targeted gene knockouts involve the deletion or disruption of a given gene. What method might be effectively used to knock out a gene in yeast?  What method might be used in mice?  Why would the method used in yeast be ineffective in mice?
Genetics and Developmental Biology   Chrysler2008   222   Asked 3 years ago
A woman with normal vision whose father was colorblind marries a man with normal
A woman with normal vision whose father was colorblind marries a man with normal
a woman with normal vision whose father was colorblind marries a man with normal vision whose father was also colorblind. What proportion of their offspring will be colorblind? males and females
Genetics and Developmental Biology   sailorette   331   Asked 3 years ago
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