Question 1

When aspects of the environment encourage behaviors that have a genetic component,the correlation is called a passive link.

Accepted Answer

A) True 
 B)False

Question 2

Genetic screening would least likely be recommended to a woman

Accepted Answer

A)  whose mother had Huntington's disease. 
B)  whose firstborn child dies from Tay-Sachs disease. 
C)  who suffers from severe back pain. 
D)  who is over thirty-five. 
A)  whose mother had Huntington's disease. 
B)  whose firstborn child dies from Tay-Sachs disease. 
C)  who suffers from severe back pain. 
D)  who is over thirty-five.

Question 3

The range of phenotypic differences possible as a result of different environments reacting with a specific genotype is called the

Accepted Answer

A)  canalized phenomenon. 
B)  interference effect. 
C)  range of reaction. 
D)  concordance rate. 
A)  canalized phenomenon. 
B)  interference effect. 
C)  range of reaction. 
D)  concordance rate.

Question 4

The influence of heredity and experience tends to be constant across environmental circumstances and periods of development.

Accepted Answer

A) True 
 B)False

Question 5

The tendency to actively select an environment compatible with a genotype is called

Accepted Answer

A)  evocation. 
B)  role concordance. 
C)  niche picking. 
D)  functional linking. 
A)  evocation. 
B)  role concordance. 
C)  niche picking. 
D)  functional linking.

Question 6

A highly cannelized attribute is one influenced primarily by the environment.

Accepted Answer

A) True 
 B)False

Question 7

Monique's doctor suspects that she may be further into her pregnancy than originally estimated.To help determine the approximate age of the fetus,Monique's doctor is likely to use

Accepted Answer

A)  amniocentesis. 
B)  teratology. 
C)  ultrasonography. 
D)  chorionic villus sampling. 
A)  amniocentesis. 
B)  teratology. 
C)  ultrasonography. 
D)  chorionic villus sampling.

Question 8

A sudden change in the molecular structure of a gene,called a(n)________,may occur spontaneously or may be caused by an environmental event such as radiation.

Accepted Answer

A)  devastation 
B)  deviation 
C)  mutation 
D)  alteration 
A)  devastation 
B)  deviation 
C)  mutation 
D)  alteration

Question 9

The genotype in which two alleles of a gene are identical,thus having the same effects on a trait,is called

Accepted Answer

A)  homozygous. 
B)  heterozygous. 
C)  blended. 
D)  codominant. 
A)  homozygous. 
B)  heterozygous. 
C)  blended. 
D)  codominant.

Question 10

Casper's phenotype reflects the influence of both differing allelic forms.This is an example of codominance.

Accepted Answer

A) True 
 B)False

Question 11

The genotype in which two alleles of a gene are different is called ________.The effects on a trait will depend on how the two alleles interact.

Accepted Answer

A)  homozygous 
B)  heterozygous 
C)  codominance 
D)  crossed 
A)  homozygous 
B)  heterozygous 
C)  codominance 
D)  crossed

Question 12

All humans begin life as a double cell created when sperm unites with an ovum.

Accepted Answer

A) True 
 B)False

Question 13

Define and describe the field of proteomics.

Accepted Answer

Proteomics investigates the st

Question 14

There are a variety of prenatal genetic screenings used to detect genetic and environmentally induced fetal defects.Choose two of these procedures and provide an in depth explanation of when and why they might be used or avoided.

Accepted Answer

Answers will vary,but should r

Question 15

Angela has sickle cell trait.Which of the following is not likely to trigger the sickling of her red blood cells?

Accepted Answer

A)  Strenuous exercise 
B)  Poor nutrition 
C)  Flying in an unpressurized airplane 
D)  Hiking in high-altitude regions 
A)  Strenuous exercise 
B)  Poor nutrition 
C)  Flying in an unpressurized airplane 
D)  Hiking in high-altitude regions

Question 16

Identical twins have ________ of their genes in common,but fraternal twins have only ________ of their genes in common,making them as genetically similar as siblings born at different times.

Accepted Answer

A)  all;about a quarter 
B)  all;about half 
C)  about half;about a quarter 
D)  about 75 percent;about 10 percent 
A)  all;about a quarter 
B)  all;about half 
C)  about half;about a quarter 
D)  about 75 percent;about 10 percent

Question 17

David has not yet shown signs of PKU and is already being treated.This is because his PKU was detected by

Accepted Answer

A)  a blood test. 
B)  the age of ten years. 
C)  the parents. 
D)  the first trimester of gestation. 
A)  a blood test. 
B)  the age of ten years. 
C)  the parents. 
D)  the first trimester of gestation.

Question 18

________ code for the production of proteins and enzymes that underlie traits and characteristics inherited from one generation to the next.

Accepted Answer

A)  Gene's 
B)  Allele's 
C)  Chromatid's 
D)  Chromosome's 
A)  Gene's 
B)  Allele's 
C)  Chromatid's 
D)  Chromosome's

Question 19

The sequence of nucleotides that resembles a long,spiral staircase is called ________,or DNA.

Accepted Answer

A)  diribonucleic acid 
B)  deoxyribonucleic acid. 
C)  diribonucleic analog. 
D)  deoxyribonucleic analog. 
A)  diribonucleic acid 
B)  deoxyribonucleic acid. 
C)  diribonucleic analog. 
D)  deoxyribonucleic analog.

Question 20

The high concordance rates for conduct disorders in both identical and fraternal twins suggests that

Accepted Answer

A)  conduct disorders are strictly based in genetics. 
B)  environmental factors play a substantial role in the development of such problems. 
C)  heritability of mental illnesses does exist. 
D)  conduct disorders may be a good place to begin pilot testing gene therapy. 
A)  conduct disorders are strictly based in genetics. 
B)  environmental factors play a substantial role in the development of such problems. 
C)  heritability of mental illnesses does exist. 
D)  conduct disorders may be a good place to begin pilot testing gene therapy.

When aspects of the environment encourage behaviors that have a genetic component,the correlation is called a passive link.

Genetic screening would least likely be recommended to a woman

The range of phenotypic differences possible as a result of different environments reacting with a specific genotype is called the

The influence of heredity and experience tends to be constant across environmental circumstances and periods of development.

The tendency to actively select an environment compatible with a genotype is called

A highly cannelized attribute is one influenced primarily by the environment.

Monique's doctor suspects that she may be further into her pregnancy than originally estimated.To help determine the approximate age of the fetus,Monique's doctor is likely to use

A sudden change in the molecular structure of a gene,called a(n)________,may occur spontaneously or may be caused by an environmental event such as radiation.

The genotype in which two alleles of a gene are identical,thus having the same effects on a trait,is called

Casper's phenotype reflects the influence of both differing allelic forms.This is an example of codominance.

The genotype in which two alleles of a gene are different is called ________.The effects on a trait will depend on how the two alleles interact.

All humans begin life as a double cell created when sperm unites with an ovum.

Define and describe the field of proteomics.

There are a variety of prenatal genetic screenings used to detect genetic and environmentally induced fetal defects.Choose two of these procedures and provide an in depth explanation of when and why they might be used or avoided.

Angela has sickle cell trait.Which of the following is not likely to trigger the sickling of her red blood cells?

Identical twins have of their genes in common,but fraternal twins have only of their genes in common,making them as genetically similar as siblings born at different times.

David has not yet shown signs of PKU and is already being treated.This is because his PKU was detected by

________ code for the production of proteins and enzymes that underlie traits and characteristics inherited from one generation to the next.

The sequence of nucleotides that resembles a long,spiral staircase is called ________,or DNA.

The high concordance rates for conduct disorders in both identical and fraternal twins suggests that

Themes and Theories

Studying Child Development

The Prenatal Period and Birth

Brain, Motor Skill, and Physical Development

Basic Learning and Perception

Language

Cognition

Social Cognition

Achievement

Emotion

Self and Values

Gender

The Family

Peers

Beyond Family and Peers

Filters

Exam 3: Genetics and Heredity

When aspects of the environment encourage behaviors that have a genetic component,the correlation is called a passive link.

Genetic screening would least likely be recommended to a woman

The range of phenotypic differences possible as a result of different environments reacting with a specific genotype is called the

The influence of heredity and experience tends to be constant across environmental circumstances and periods of development.

The tendency to actively select an environment compatible with a genotype is called

A highly cannelized attribute is one influenced primarily by the environment.

Monique's doctor suspects that she may be further into her pregnancy than originally estimated.To help determine the approximate age of the fetus,Monique's doctor is likely to use

A sudden change in the molecular structure of a gene,called a(n)________,may occur spontaneously or may be caused by an environmental event such as radiation.

The genotype in which two alleles of a gene are identical,thus having the same effects on a trait,is called

Casper's phenotype reflects the influence of both differing allelic forms.This is an example of codominance.

The genotype in which two alleles of a gene are different is called ________.The effects on a trait will depend on how the two alleles interact.

All humans begin life as a double cell created when sperm unites with an ovum.

Define and describe the field of proteomics.

There are a variety of prenatal genetic screenings used to detect genetic and environmentally induced fetal defects.Choose two of these procedures and provide an in depth explanation of when and why they might be used or avoided.

Angela has sickle cell trait.Which of the following is not likely to trigger the sickling of her red blood cells?

Identical twins have ________ of their genes in common,but fraternal twins have only ________ of their genes in common,making them as genetically similar as siblings born at different times.

David has not yet shown signs of PKU and is already being treated.This is because his PKU was detected by

________ code for the production of proteins and enzymes that underlie traits and characteristics inherited from one generation to the next.

The sequence of nucleotides that resembles a long,spiral staircase is called ________,or DNA.

The high concordance rates for conduct disorders in both identical and fraternal twins suggests that

Themes and Theories

Studying Child Development

The Prenatal Period and Birth

Brain, Motor Skill, and Physical Development

Basic Learning and Perception

Language

Cognition

Social Cognition

Achievement

Emotion

Self and Values

Gender

The Family

Peers

Beyond Family and Peers

Filters

Identical twins have of their genes in common,but fraternal twins have only of their genes in common,making them as genetically similar as siblings born at different times.