Question 1

Assuming that p = 0.3 for a population in Hardy- Weinberg equilibrium,what would be the expected frequency of heterozygotes for the involved allelic pair?

Accepted Answer

The answer of Assuming that p = 0.3 for a...

Question 2

In zoo animals,inbreeding often occurs because of a lack of a sufficient pool of breeding individuals.Under such conditions,what two characteristics are often exhibited among inbred organisms?

Accepted Answer

higher frequency of

Question 3

Cytochrome c is a respiratory pigment found in the mitochondria of eukaryotes.Compared with some other proteins,it has changed very slowly over long periods of time.Why?

Accepted Answer

It serves a vital function; th

Question 4

Define the term fitness.

Accepted Answer

Fitness is a measure of the pr

Question 5

In a population of 100 individuals,49% are of the NN blood type.What percentage is expected to be MN assuming Hardy- Weinberg equilibrium conditions?

Accepted Answer

A) 51% 
B) 42% 
C) 9% 
D) 21% 
E) There is insufficient information to answer this question. 
A) 51% 
B) 42% 
C) 9% 
D) 21% 
E) There is insufficient information to answer this question.

Question 6

Briefly describe how the founder effect can impact the allelic frequencies in a population.

Accepted Answer

The founder effect generates an increase

Question 7

What are phylogenetic trees?

Accepted Answer

diagrammatic represe

Question 8

In a population of 10,000 individuals,where 3600 are MM,1600 are Mm,and 4800 are mm,what are the frequencies of the M alleles and the m alleles?

Accepted Answer

The answer of In a population of 10,000 individuals,where 3600...

Question 9

Genetic drift arises from all the following EXCEPT_______ .

Accepted Answer

A) mutations 
B) a genetic bottleneck 
C) a small breeding population 
D) a founder effect 
A) mutations 
B) a genetic bottleneck 
C) a small breeding population 
D) a founder effect

Question 10

Inbreeding will change_______ .

Accepted Answer

A) mating isolation mechanism 
B) species 
C) diet 
D) gene frequencies 
A) mating isolation mechanism 
B) species 
C) diet 
D) gene frequencies

Question 11

What term is given to the total genetic information carried by all members of a population?

Accepted Answer

A) gene pool 
B) race 
C) genome 
D) breeding unit 
E) chromosome complement 
A) gene pool 
B) race 
C) genome 
D) breeding unit 
E) chromosome complement

Question 12

Assume that a trait is caused by the homozygous state of a gene that is recessive and autosomal.Nine percent of the individuals in a given population express the phenotype caused by this gene.What percentage of the individuals would be heterozygous for the gene? Assume that the population is in Hardy- Weinberg equilibrium.

Accepted Answer

A) 91% 
B) 9% 
C) 42% 
D) 58% 
A) 91% 
B) 9% 
C) 42% 
D) 58%

Question 13

Conservation of amino acid sequence among distantly related groups of organisms is suggestive of an_______ .

Accepted Answer

A) lack of common ancestor 
B) important function for that sequence 
C) intrinsic resistance to mutations in that sequence 
D) lack of selective pressure on that sequence 
A) lack of common ancestor 
B) important function for that sequence 
C) intrinsic resistance to mutations in that sequence 
D) lack of selective pressure on that sequence

Question 14

What are the genetic consequences of inbreeding?

Accepted Answer

For a given allele,i

Question 15

In the case of complete dominance in a population in equilibrium,we cannot tell which individuals are homozygous dominants and which are heterozygous,what information is needed to determine the frequency of homozygous dominant and heterozygous genotypes?

Accepted Answer

A) the frequency of homozygous recessive genotype 
B) the frequency of heterozygous recessive genotype 
C) the mutation rate in the population 
D) the size of the sample population 
A) the frequency of homozygous recessive genotype 
B) the frequency of heterozygous recessive genotype 
C) the mutation rate in the population 
D) the size of the sample population

Question 16

Genetic drift is primarily associated with what size breeding populations?

Accepted Answer

A) mid- sized 
B) very small 
C) very large 
D) Genetic drift has the same effect on all population sizes. 
A) mid- sized 
B) very small 
C) very large 
D) Genetic drift has the same effect on all population sizes.

Question 17

What is regarded as a strong evolutionary mechanism for changing allelic frequencies?

Accepted Answer

A) selection 
B) migration 
C) mutations 
D) recombination 
A) selection 
B) migration 
C) mutations 
D) recombination

Question 18

Present a rationale for using DNA sequence polymorphisms as an index of genetic diversity.

Accepted Answer

It is natural to expect that the forces

Exam 26: Population and Evolutionary Genetics

Assuming that p = 0.3 for a population in Hardy- Weinberg equilibrium,what would be the expected frequency of heterozygotes for the involved allelic pair?

In zoo animals,inbreeding often occurs because of a lack of a sufficient pool of breeding individuals.Under such conditions,what two characteristics are often exhibited among inbred organisms?

Cytochrome c is a respiratory pigment found in the mitochondria of eukaryotes.Compared with some other proteins,it has changed very slowly over long periods of time.Why?

Define the term fitness.

In a population of 100 individuals,49% are of the NN blood type.What percentage is expected to be MN assuming Hardy- Weinberg equilibrium conditions?

Briefly describe how the founder effect can impact the allelic frequencies in a population.

What are phylogenetic trees?

In a population of 10,000 individuals,where 3600 are MM,1600 are Mm,and 4800 are mm,what are the frequencies of the M alleles and the m alleles?

Genetic drift arises from all the following EXCEPT_______ .

Inbreeding will change_______ .

What term is given to the total genetic information carried by all members of a population?

Conservation of amino acid sequence among distantly related groups of organisms is suggestive of an_______ .

What are the genetic consequences of inbreeding?

In the case of complete dominance in a population in equilibrium,we cannot tell which individuals are homozygous dominants and which are heterozygous,what information is needed to determine the frequency of homozygous dominant and heterozygous genotypes?

Genetic drift is primarily associated with what size breeding populations?

What is regarded as a strong evolutionary mechanism for changing allelic frequencies?

Present a rationale for using DNA sequence polymorphisms as an index of genetic diversity.

Introduction to Genetics

Mitosis and Meiosis

Mendelian Genetics

Extensions of Mendelian Genetics

Chromosome Mapping in Eukaryotes

Genetic Analysis and Mapping in Bacteria and Bacteriophages

Sex Determination and Sex Chromosomes

Chromosome Mutations: Variation in Number and Arrangement

Extranuclear Inheritance

DNA Structure and Analysis

DNA Replication and Recombination

DNA Organization in Chromosomes

The Genetic Code and Transcription

Translation and Proteins

Gene Mutation,dna Repair,and Transposition

Regulation of Gene Expression in Bacteria

Transcriptional Regulation in Eukaryotes

Post-Transcriptional Regulation in Eukaryotes

Epigenetic Regulation in Eukaryotes

Recombinant Dna Technology

Genomic Analysis

Applications of Genetic Engineering and Biotechnology

Developmental Genetics

Cancer Genetics

Quantitative Genetics and Multifactorial Traits

CRISPR and Genomic Editing

DNA Forensics

Genomics and Precision Medicine

Genetically Modified Foods

Gene Therapy

Advances in Neurogenetics: The Study of Huntington Disease

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