Question 1

Because X-linked disorders are essentially __________, they will only appear in the __________ sex.

Accepted Answer

A)  autonomic recessive disorders/ homogametic 
B)  autonomic dominant disorders/ homogametic 
C)  autonomic recessive disorders/ heterogametic 
D)  autonomic dominant disorders/ heterogametic 
A)  autonomic recessive disorders/ homogametic 
B)  autonomic dominant disorders/ homogametic 
C)  autonomic recessive disorders/ heterogametic 
D)  autonomic dominant disorders/ heterogametic

Question 2

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 3

The closer genes are to each other on a chromosome __________.

Accepted Answer

A)  the more likely they are to be separated due to crossing over 
B)  the less likely they are to be separated due to crossing over 
C)  the more likely they are to be linked in mitosis 
D)  the less likely they are to be linked 
A)  the more likely they are to be separated due to crossing over 
B)  the less likely they are to be separated due to crossing over 
C)  the more likely they are to be linked in mitosis 
D)  the less likely they are to be linked

Question 4

One gene can have multiple phenotypic effects.

Accepted Answer

A) True 
 B)False

Question 5

Polygenic traits __________.

Accepted Answer

A)  are usually caused by single genes 
B)  are easily explained by Mendelian genetics 
C)  appear as a continuum in a population 
D)  all of these 
A)  are usually caused by single genes 
B)  are easily explained by Mendelian genetics 
C)  appear as a continuum in a population 
D)  all of these

Question 6

Mendel's first postulate states that hereditary characteristics are controlled by blended units.

Accepted Answer

A) True 
 B)False

Question 7

Sickle cell anemia is an example of a disease resulting from an insertion mutation.

Accepted Answer

A) True 
 B)False

Question 8

From a gene's perspective, the "environment" is made up mainly of __________.

Accepted Answer

A)  nutritional factors 
B)  factors such as air temperature and atmospheric gasses 
C)  body temperature 
D)  other genes 
A)  nutritional factors 
B)  factors such as air temperature and atmospheric gasses 
C)  body temperature 
D)  other genes

Question 9

Using a Punnett square, illustrate and explain the F2 generation of Mendel's pea experiment.

Accepted Answer

Mendel's pea experiment involved crossin

Question 10

__________ 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 11

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

Accepted Answer

Heritability is a concept that refers to

Question 12

Regulatory regions are likely to play a stronger role than structural genes in creating variations between related species.

Accepted Answer

A) True 
 B)False

Question 13

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 14

A 1920s public presentation of Mendelian genetics would emphasize __________.

Accepted Answer

A)  the dangers of evolution 
B)  the dangers of mating with "abnormal" people 
C)  Darwin's ideas of natural selection 
D)  ideas of blending inheritance 
A)  the dangers of evolution 
B)  the dangers of mating with "abnormal" people 
C)  Darwin's ideas of natural selection 
D)  ideas of blending inheritance

Question 15

Mendel's work proved the blended nature of inheritance.

Accepted Answer

A) True 
 B)False

Question 16

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 17

The effects of the PKU allele __________.

Accepted Answer

A)  can be combated with dietary regulation 
B)  are immediately fatal 
C)  pose no threat to infants 
D)  are more dangerous in adults 
A)  can be combated with dietary regulation 
B)  are immediately fatal 
C)  pose no threat to infants 
D)  are more dangerous in adults

Question 18

Phenylketonuria is caused by __________.

Accepted Answer

A)  a single point mutation 
B)  a dominant allele 
C)  environmental factors such as diet 
D)  a recessive allele 
A)  a single point mutation 
B)  a dominant allele 
C)  environmental factors such as diet 
D)  a recessive allele

Question 19

Which of the following best defines the term genotype?

Accepted Answer

A)  the actual alleles an organism carries 
B)  the physical expression of an organisms genes 
C)  the role of the environment plays in gene expression 
D)  an organisms haploid gametes 
A)  the actual alleles an organism carries 
B)  the physical expression of an organisms genes 
C)  the role of the environment plays in gene expression 
D)  an organisms haploid gametes

Question 20

Traits that occur as a continuum in a population are likely to be due to __________.

Accepted Answer

A)  X-linked disorders 
B)  polygenic inheritance 
C)  single gene effect 
D)  none of these 
A)  X-linked disorders 
B)  polygenic inheritance 
C)  single gene effect 
D)  none of these

Because X-linked disorders are essentially , they will only appear in the sex.

Trinucleotide repeat diseases are caused by __________.

The closer genes are to each other on a chromosome __________.

One gene can have multiple phenotypic effects.

Polygenic traits __________.

Mendel's first postulate states that hereditary characteristics are controlled by blended units.

Sickle cell anemia is an example of a disease resulting from an insertion mutation.

From a gene's perspective, the "environment" is made up mainly of __________.

Using a Punnett square, illustrate and explain the F2 generation of Mendel's pea experiment.

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

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

Regulatory regions are likely to play a stronger role than structural genes in creating variations between related species.

A recessive allele __________.

A 1920s public presentation of Mendelian genetics would emphasize __________.

Mendel's work proved the blended nature of inheritance.

Mutations during meiosis are especially important because they __________.

The effects of the PKU allele __________.

Phenylketonuria is caused by __________.

Which of the following best defines the term genotype?

Traits that occur as a continuum in a population are likely to be due to __________.

Introduction: What Is Biological Anthropology

Genetics: Cells and Molecules

The Forces of Evolution and the Formation of Species

Human Variation: Evolution, Adaptation, and Adaptability

The Primates

Primate Behavior

Fossils in Geological Context

Origin of Primates

Becoming Human: the Ape-Hominin Transition

Early Hominins

Origin and Evolution of the Genus Homo Tc L1

Archaic Homo Sapiens and Neandertals

The Emergence and Dispersal of Homo Sapiens

Evolution of the Brain and Language Tc L1

Biomedical Anthropology

The Evolution of Human Behavior

Bioarchaeology and Forensic Anthropology

Origins of Evolutionary Thought

Filters

Exam 3: Genetics: From Genotype to Phenotype

Because X-linked disorders are essentially __________, they will only appear in the __________ sex.

Trinucleotide repeat diseases are caused by __________.

The closer genes are to each other on a chromosome __________.

One gene can have multiple phenotypic effects.

Polygenic traits __________.

Mendel's first postulate states that hereditary characteristics are controlled by blended units.

Sickle cell anemia is an example of a disease resulting from an insertion mutation.

From a gene's perspective, the "environment" is made up mainly of __________.

Using a Punnett square, illustrate and explain the F2 generation of Mendel's pea experiment.

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

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

Regulatory regions are likely to play a stronger role than structural genes in creating variations between related species.

A recessive allele __________.

A 1920s public presentation of Mendelian genetics would emphasize __________.

Mendel's work proved the blended nature of inheritance.

Mutations during meiosis are especially important because they __________.

The effects of the PKU allele __________.

Phenylketonuria is caused by __________.

Which of the following best defines the term genotype?

Traits that occur as a continuum in a population are likely to be due to __________.

Introduction: What Is Biological Anthropology

Genetics: Cells and Molecules

The Forces of Evolution and the Formation of Species

Human Variation: Evolution, Adaptation, and Adaptability

The Primates

Primate Behavior

Fossils in Geological Context

Origin of Primates

Becoming Human: the Ape-Hominin Transition

Early Hominins

Origin and Evolution of the Genus Homo Tc L1

Archaic Homo Sapiens and Neandertals

The Emergence and Dispersal of Homo Sapiens

Evolution of the Brain and Language Tc L1

Biomedical Anthropology

The Evolution of Human Behavior

Bioarchaeology and Forensic Anthropology

Origins of Evolutionary Thought

Filters

Because X-linked disorders are essentially , they will only appear in the sex.