Question 1

Mutations in are much more critical than others.

Accepted Answer

A) non-coding regions 
B) structural genes 
C) introns 
D) RNA 
A) non-coding regions 
B) structural genes 
C) introns 
D) RNA B

Question 2

The vast majority of mutations are probably __________.

Accepted Answer

A) good 
B) bad 
C) neutral 
D) fatal 
A) good 
B) bad 
C) neutral 
D) fatal C

Question 3

In the United States,legislation allowed for the involuntary sterilization of "mental defectives."

Accepted Answer

A) True 
 B)False  True

Question 4

Using specific examples,explain the difference between autosomal recessive disorders and autosomal dominant disorders.

Accepted Answer

Autosomal recessive disorders and autoso

Question 5

Nutritional intervention can completely suppress the effects of the PKU allele.

Accepted Answer

A) True 
 B)False

Question 6

__________ is a measure of the proportion of the total variation observed in a population that can be attributed to genetics,rather than the environment.

Accepted Answer

A) Eugenics 
B) Pleiotropy 
C) Heritability 
D) Qualitative variation 
A) Eugenics 
B) Pleiotropy 
C) Heritability 
D) Qualitative variation

Question 7

Heritability is __________.

Accepted Answer

A) a direct measure of specific gene's contribution to a trait 
B) a population statistic offering little specific knowledge 
C) a direct measure of how a specific environment affects a trait 
D) a way to determine if twins are MZ or DZ 
A) a direct measure of specific gene's contribution to a trait 
B) a population statistic offering little specific knowledge 
C) a direct measure of how a specific environment affects a trait 
D) a way to determine if twins are MZ or DZ

Question 8

Trinucleotide repeat diseases are caused by __________.

Accepted Answer

A) insertion mutations 
B) autosomal recessive mutations 
C) deletion mutations 
D) point mutations 
A) insertion mutations 
B) autosomal recessive mutations 
C) deletion mutations 
D) point mutations

Question 9

Pleiotropy is best defined as __________.

Accepted Answer

A) one gene,one effect 
B) one gene having multiple phenotypic effects 
C) heritability 
D) the effect of the environment on gene action 
A) one gene,one effect 
B) one gene having multiple phenotypic effects 
C) heritability 
D) the effect of the environment on gene action

Question 10

If the allele for type O blood is recessive and the allele for type A blood is dominant,a person with a A and O alleles would have type __________ blood.

Accepted Answer

A) A 
B) O 
C) AO 
D) OA 
A) A 
B) O 
C) AO 
D) OA

Question 11

What is PKU and how is it inherited? Explain how PKU is as much a result of environment as it is of genetics.

Accepted Answer

PKU, or phenylketonuria, is a genetic di

Question 12

Which of the following conditions represents a neutral mutation?

Accepted Answer

A) sickle cell disease 
B) Habsburg face 
C) Down's syndrome 
D) X-linked disorders 
A) sickle cell disease 
B) Habsburg face 
C) Down's syndrome 
D) X-linked disorders

Question 13

Mendel's Law of Independent Assortment indicates that __________.

Accepted Answer

A) dominant alleles suppress recessive alleles 
B) inheritance is governed by discrete particles 
C) segregating pairs of unit factors assort independently 
D) chromosomes randomly segregate into sex cells 
A) dominant alleles suppress recessive alleles 
B) inheritance is governed by discrete particles 
C) segregating pairs of unit factors assort independently 
D) chromosomes randomly segregate into sex cells

Question 14

One gene can have multiple phenotypic effects.

Accepted Answer

A) True 
 B)False

Question 15

The symptoms of PKU include __________.

Accepted Answer

A) neurological problems 
B) characteristic gait and stance 
C) light skin and hair 
D) all of these 
A) neurological problems 
B) characteristic gait and stance 
C) light skin and hair 
D) all of these

Question 16

A recessive allele __________.

Accepted Answer

A) needs to be present on only one chromosome to be expressed 
B) is never expressed 
C) needs to be present on both chromosomes to be expressed 
D) occurs as a regulatory gene only 
A) needs to be present on only one chromosome to be expressed 
B) is never expressed 
C) needs to be present on both chromosomes to be expressed 
D) occurs as a regulatory gene only

Question 17

Mutations during meiosis are especially important because they __________.

Accepted Answer

A) are usually lethal 
B) tend to occur in regulatory genes 
C) are inherited 
D) are more common 
A) are usually lethal 
B) tend to occur in regulatory genes 
C) are inherited 
D) are more common

Question 18

Mutations often have little phenotypic effect because __________.

Accepted Answer

A) they often occur in non-coding regions 
B) codon changes are often insignificant 
C) proteins can withstand minor amino acid variations 
D) all of these 
A) they often occur in non-coding regions 
B) codon changes are often insignificant 
C) proteins can withstand minor amino acid variations 
D) all of these

Question 19

A gene that contains information important to initiating transcription is a __________ gene.

Accepted Answer

A) structural 
B) regulatory 
C) coding 
D) phenotype 
A) structural 
B) regulatory 
C) coding 
D) phenotype

Question 20

Discuss the concept of heritability.How might twin studies help us determine heritability?

Accepted Answer

Heritability is a concept that refers to

Mutations in are much more critical than others.

The vast majority of mutations are probably __________.

In the United States,legislation allowed for the involuntary sterilization of "mental defectives."

Using specific examples,explain the difference between autosomal recessive disorders and autosomal dominant disorders.

Nutritional intervention can completely suppress the effects of the PKU allele.

__________ is a measure of the proportion of the total variation observed in a population that can be attributed to genetics,rather than the environment.

Heritability is __________.

Trinucleotide repeat diseases are caused by __________.

Pleiotropy is best defined as __________.

If the allele for type O blood is recessive and the allele for type A blood is dominant,a person with a A and O alleles would have type __________ blood.

What is PKU and how is it inherited? Explain how PKU is as much a result of environment as it is of genetics.

Which of the following conditions represents a neutral mutation?

Mendel's Law of Independent Assortment indicates that __________.

One gene can have multiple phenotypic effects.

The symptoms of PKU include __________.

A recessive allele __________.

Mutations during meiosis are especially important because they __________.

Mutations often have little phenotypic effect because __________.

A gene that contains information important to initiating transcription is a __________ gene.

Discuss the concept of heritability.How might twin studies help us determine heritability?

What Is Biological Anthropology

Origins of Evolutionary Thought

Genetics: Cells and Molecules

The Forces of Evolution and the Formation of Species

Human Variation: Evolution, Adaptation, and Adaptability

The Primates

Primate Behavior

Geology and Primate Origins

Early Hominins and Australopithecus

Rise of the Genus Homo

Archaic Homo Sapiens and Neandertals

The Emergence,dispersal,and Bioarchaeology of Homo Sapiens

Evolution of the Brain and Behavior

Biomedical and Forensic Anthropology

Filters

Exam 4: Genetics: From Genotype to Phenotype

Mutations in are much more critical than others.

The vast majority of mutations are probably __________.

In the United States,legislation allowed for the involuntary sterilization of "mental defectives."

Using specific examples,explain the difference between autosomal recessive disorders and autosomal dominant disorders.

Nutritional intervention can completely suppress the effects of the PKU allele.

__________ is a measure of the proportion of the total variation observed in a population that can be attributed to genetics,rather than the environment.

Heritability is __________.

Trinucleotide repeat diseases are caused by __________.

Pleiotropy is best defined as __________.

If the allele for type O blood is recessive and the allele for type A blood is dominant,a person with a A and O alleles would have type __________ blood.

What is PKU and how is it inherited? Explain how PKU is as much a result of environment as it is of genetics.

Which of the following conditions represents a neutral mutation?

Mendel's Law of Independent Assortment indicates that __________.

One gene can have multiple phenotypic effects.

The symptoms of PKU include __________.

A recessive allele __________.

Mutations during meiosis are especially important because they __________.

Mutations often have little phenotypic effect because __________.

A gene that contains information important to initiating transcription is a __________ gene.

Discuss the concept of heritability.How might twin studies help us determine heritability?

What Is Biological Anthropology

Origins of Evolutionary Thought

Genetics: Cells and Molecules

The Forces of Evolution and the Formation of Species

Human Variation: Evolution, Adaptation, and Adaptability

The Primates

Primate Behavior

Geology and Primate Origins

Early Hominins and Australopithecus

Rise of the Genus Homo

Archaic Homo Sapiens and Neandertals

The Emergence,dispersal,and Bioarchaeology of Homo Sapiens

Evolution of the Brain and Behavior

Biomedical and Forensic Anthropology

Filters