Question 1

Outline the assumptions made in establishing the Hardy-Weinberg law.

Accepted Answer

The population is very large.
No genotyp

Question 2

Which population has a small percentage of Denisovan genes,thus suggesting interbreeding?

Accepted Answer

A)  Asians 
B)  Melanesians 
C)  H. floresiensis 
D)  Neanderthals 
E)  chimpanzees 
A)  Asians 
B)  Melanesians 
C)  H. floresiensis 
D)  Neanderthals 
E)  chimpanzees

Question 3

A predictable effect of genetic drift in a small population is an increase in _____.

Accepted Answer

A)  mutations 
B)  dominant alleles 
C)  recessive alleles 
D)  genetic variation 
E)  homozygosity 
A)  mutations 
B)  dominant alleles 
C)  recessive alleles 
D)  genetic variation 
E)  homozygosity

Question 4

Do you agree with geneticists that there is no genetic basis to divide humans into races?  Why or why not?

Accepted Answer

Answers will vary.
Background:
The curre

Question 5

Genomic studies of Neanderthals,modern humans,and chimpanzees have confirmed that ____.

Accepted Answer

A)  humans evolved from Denisovans 
B)  humans and Neanderthals interbred 
C)  humans and Neanderthals are 98.8% genetically identical 
D)  humans are direct descendants of Neanderthals 
E)  there is a 5% difference in the coding regions of the human genome vs. the chimpanzee genome 
A)  humans evolved from Denisovans 
B)  humans and Neanderthals interbred 
C)  humans and Neanderthals are 98.8% genetically identical 
D)  humans are direct descendants of Neanderthals 
E)  there is a 5% difference in the coding regions of the human genome vs. the chimpanzee genome

Question 6

The taxonomic category that includes all bipedal primates is called _____________________.

Accepted Answer

The answer of The taxonomic category that includes all bipedal...

Question 7

The taxonomic category that includes species of apes,humans,and their ancestors is known as ____.

Accepted Answer

A)  hominids 
B)  hominins 
C)  hominoids 
D)  australopithecines 
E)  apes 
A)  hominids 
B)  hominins 
C)  hominoids 
D)  australopithecines 
E)  apes

Question 8

Albinism is a recessive trait controlled by a single gene.If the frequency of albinos in a population is 0.25,what is the expected frequency of heterozygotes for this trait?

Accepted Answer

A)  0.25 
B)  0.50 
C)  0.75 
D)  0.90 
E)  1.00 
A)  0.25 
B)  0.50 
C)  0.75 
D)  0.90 
E)  1.00

Question 9

The frequency of a certain genotype in a population is called _____________________.

Accepted Answer

The answer of The frequency of a certain genotype in...

Question 10

A population that is in genetic equilibrium is said to ____.

Accepted Answer

A)  have an equal number of homozygotes as heterozygotes for a given trait 
B)  deviate from the Hardy-Weinberg law 
C)  require genetic testing for estimation of allele frequencies 
D)  lose genetic variation with each generation 
E)  have an allele or alleles that remain constant generation to generation 
A)  have an equal number of homozygotes as heterozygotes for a given trait 
B)  deviate from the Hardy-Weinberg law 
C)  require genetic testing for estimation of allele frequencies 
D)  lose genetic variation with each generation 
E)  have an allele or alleles that remain constant generation to generation

Question 11

The _____________________ law measures allele and genotype frequencies in a population without the need for genetic testing.

Accepted Answer

The answer of The _____________________ law measures allele and genotype...

Question 12

Assume the trait for brown eyes is completely dominant to blue eyes and this trait is controlled by a single gene.If 400 people in a population of 10,000 have blue eyes,how many people would be expected to be heterozygous for this trait? (Hint: Use the Hardy-Weinberg formula.)

Accepted Answer

A)  8,000 
B)  5,400 
C)  3,200 
D)  960 
E)  320 
A)  8,000 
B)  5,400 
C)  3,200 
D)  960 
E)  320

Question 13

The genotypic definition of race states that races are populations of the same species in which allele frequencies differ by ____.

Accepted Answer

A)  15%-20% 
B)  85% 
C)  1 in 1000 nucleotides 
D)  25%-30% 
E)  5%-10% 
A)  15%-20% 
B)  85% 
C)  1 in 1000 nucleotides 
D)  25%-30% 
E)  5%-10%

Question 14

Comparative genome studies show that humans and _____________________ shared a common ancestor approximately 5.4 to 6.3 million years ago.

Accepted Answer

The answer of Comparative genome studies show that humans and...

Question 15

During the eugenics movement of the 1900s,it was believed that individuals affected with certain genetic disorders should be sterilized to prevent transmitting the gene to future generations.Would such measures be effective?  Why or why not?

Accepted Answer

Answers will vary.
Background:
If a gene

Question 16

Humans differ from each other by 1 in 1000 to 1 in 5000 nucleotides,while chimpanzees differ from each other by 1 in 500 nucleotides.This suggests that _____.

Accepted Answer

A)  humans are a younger species 
B)  humans are an older species 
C)  humans descended directly from chimpanzees 
D)  chimpanzees descended directly from humans 
E)  chimpanzees and humans have identical proteomes 
A)  humans are a younger species 
B)  humans are an older species 
C)  humans descended directly from chimpanzees 
D)  chimpanzees descended directly from humans 
E)  chimpanzees and humans have identical proteomes

Question 17

Why is it that mutation,acting alone,has little effect on allele frequency,and therefore evolution? What other factors will magnify the effect?

Accepted Answer

If the mutation rate for a gene is known

Question 18

The rapid change in G6PD allele frequency and the correlation of this allele with areas of high rates of malaria suggests that ____ explains this change in G6PD allele frequency.

Accepted Answer

A)  genetic drift 
B)  artificial selection 
C)  X-linked inheritance 
D)  the founder effect 
E)  natural selection 
A)  genetic drift 
B)  artificial selection 
C)  X-linked inheritance 
D)  the founder effect 
E)  natural selection

Question 19

A loss of 90% of the population in the Pingelap atoll from a typhoon in 1775 resulted in a high percentage of the current population being affected by achromatopsia.As a result,all of these affected individuals _____.

Accepted Answer

A)  have normal vision 
B)  are descendants of one of the 20 original survivors 
C)  receive genetic testing and genetic counseling 
D)  have exceptional hearing 
E)  are descendants of the 20 original survivors 
A)  have normal vision 
B)  are descendants of one of the 20 original survivors 
C)  receive genetic testing and genetic counseling 
D)  have exceptional hearing 
E)  are descendants of the 20 original survivors

Question 20

The Hardy-Weinberg law can be used to calculate allele and genotype frequencies without genetic testing.

Accepted Answer

A) True 
 B)False

Outline the assumptions made in establishing the Hardy-Weinberg law.

Which population has a small percentage of Denisovan genes,thus suggesting interbreeding?

A predictable effect of genetic drift in a small population is an increase in _____.

Do you agree with geneticists that there is no genetic basis to divide humans into races? Why or why not?

Genomic studies of Neanderthals,modern humans,and chimpanzees have confirmed that ____.

The taxonomic category that includes all bipedal primates is called _____________________.

The taxonomic category that includes species of apes,humans,and their ancestors is known as ____.

Albinism is a recessive trait controlled by a single gene.If the frequency of albinos in a population is 0.25,what is the expected frequency of heterozygotes for this trait?

The frequency of a certain genotype in a population is called _____________________.

A population that is in genetic equilibrium is said to ____.

The _____________________ law measures allele and genotype frequencies in a population without the need for genetic testing.

Assume the trait for brown eyes is completely dominant to blue eyes and this trait is controlled by a single gene.If 400 people in a population of 10,000 have blue eyes,how many people would be expected to be heterozygous for this trait? (Hint: Use the Hardy-Weinberg formula.)

The genotypic definition of race states that races are populations of the same species in which allele frequencies differ by ____.

Comparative genome studies show that humans and _____________________ shared a common ancestor approximately 5.4 to 6.3 million years ago.

During the eugenics movement of the 1900s,it was believed that individuals affected with certain genetic disorders should be sterilized to prevent transmitting the gene to future generations.Would such measures be effective? Why or why not?

Humans differ from each other by 1 in 1000 to 1 in 5000 nucleotides,while chimpanzees differ from each other by 1 in 500 nucleotides.This suggests that _____.

Why is it that mutation,acting alone,has little effect on allele frequency,and therefore evolution? What other factors will magnify the effect?

The rapid change in G6PD allele frequency and the correlation of this allele with areas of high rates of malaria suggests that ____ explains this change in G6PD allele frequency.

A loss of 90% of the population in the Pingelap atoll from a typhoon in 1775 resulted in a high percentage of the current population being affected by achromatopsia.As a result,all of these affected individuals _____.

The Hardy-Weinberg law can be used to calculate allele and genotype frequencies without genetic testing.

A Perspective on Human Genetics

Cells and Cell Division

Transmission of Genes from Generation to Generation

Pedigree Analysis in Human Genetics

The Inheritance of Complex Traits

Cytogenetics - Karyotypes and Chromosome Aberrations

Development and Sex Determination

The Structure - Replication - and Chromosomal Organization of DNA

Gene Expression and Gene Regulation

From Proteins to Phenotypes

Genome Alterations - Mutation and Epigenetics

Genes and Cancer

An Introduction to Genetic Technology

Biotechnology and Society

Genomes and Genomics

Reproductive Technology - Genetic Testing - and Gene Therapy

Genes and The Immune System

Genetics of Behavior

Filters

Exam 19: Population Genetics and Human Evolution

Outline the assumptions made in establishing the Hardy-Weinberg law.

Which population has a small percentage of Denisovan genes,thus suggesting interbreeding?

A predictable effect of genetic drift in a small population is an increase in _____.

Do you agree with geneticists that there is no genetic basis to divide humans into races? Why or why not?

Genomic studies of Neanderthals,modern humans,and chimpanzees have confirmed that ____.

The taxonomic category that includes all bipedal primates is called _____________________.

The taxonomic category that includes species of apes,humans,and their ancestors is known as ____.

Albinism is a recessive trait controlled by a single gene.If the frequency of albinos in a population is 0.25,what is the expected frequency of heterozygotes for this trait?

The frequency of a certain genotype in a population is called _____________________.

A population that is in genetic equilibrium is said to ____.

The _____________________ law measures allele and genotype frequencies in a population without the need for genetic testing.

Assume the trait for brown eyes is completely dominant to blue eyes and this trait is controlled by a single gene.If 400 people in a population of 10,000 have blue eyes,how many people would be expected to be heterozygous for this trait? (Hint: Use the Hardy-Weinberg formula.)

The genotypic definition of race states that races are populations of the same species in which allele frequencies differ by ____.

Comparative genome studies show that humans and _____________________ shared a common ancestor approximately 5.4 to 6.3 million years ago.

During the eugenics movement of the 1900s,it was believed that individuals affected with certain genetic disorders should be sterilized to prevent transmitting the gene to future generations.Would such measures be effective? Why or why not?

Humans differ from each other by 1 in 1000 to 1 in 5000 nucleotides,while chimpanzees differ from each other by 1 in 500 nucleotides.This suggests that _____.

Why is it that mutation,acting alone,has little effect on allele frequency,and therefore evolution? What other factors will magnify the effect?

The rapid change in G6PD allele frequency and the correlation of this allele with areas of high rates of malaria suggests that ____ explains this change in G6PD allele frequency.

A loss of 90% of the population in the Pingelap atoll from a typhoon in 1775 resulted in a high percentage of the current population being affected by achromatopsia.As a result,all of these affected individuals _____.

The Hardy-Weinberg law can be used to calculate allele and genotype frequencies without genetic testing.

A Perspective on Human Genetics

Cells and Cell Division

Transmission of Genes from Generation to Generation

Pedigree Analysis in Human Genetics

The Inheritance of Complex Traits

Cytogenetics - Karyotypes and Chromosome Aberrations

Development and Sex Determination

The Structure - Replication - and Chromosomal Organization of DNA

Gene Expression and Gene Regulation

From Proteins to Phenotypes

Genome Alterations - Mutation and Epigenetics

Genes and Cancer

An Introduction to Genetic Technology

Biotechnology and Society

Genomes and Genomics

Reproductive Technology - Genetic Testing - and Gene Therapy

Genes and The Immune System

Genetics of Behavior

Filters