Question 1

Down syndrome is also known as trisomy-21 because individuals with Down syndrome ____.

Accepted Answer

A) have three distinct facial features by the 21st week of pregnancy 
B) show three distinct temperament patterns by the 21st week of infancy 
C) have a third chromosome on the 21st pair 
D) have 21 genes on the 3rd pair of chromosomes 
A) have three distinct facial features by the 21st week of pregnancy 
B) show three distinct temperament patterns by the 21st week of infancy 
C) have a third chromosome on the 21st pair 
D) have 21 genes on the 3rd pair of chromosomes

Question 2

What percentage of blastocysts do not implant successfully?

Accepted Answer

A) 15% 
B) 25% 
C) 50% 
D) 75% 
A) 15% 
B) 25% 
C) 50% 
D) 75%

Question 3

If the fetus has the sex chromosomes XY,its genotype is _____.

Accepted Answer

A) female 
B) male 
C) undetermined 
D) dimorphic 
A) female 
B) male 
C) undetermined 
D) dimorphic

Question 4

The use of fertility drugs increases the likelihood of all of the following except ____.

Accepted Answer

A) blood clots 
B) decreased bone density 
C) kidney damage 
D) damage to the ovaries 
A) blood clots 
B) decreased bone density 
C) kidney damage 
D) damage to the ovaries

Question 5

At three months the average fetus _____.

Accepted Answer

A) weighs three ounces and is three inches long 
B) weighs three pounds and is three inches long 
C) has developed three brain structures 
D) has developed three sensory systems 
A) weighs three ounces and is three inches long 
B) weighs three pounds and is three inches long 
C) has developed three brain structures 
D) has developed three sensory systems

Question 6

By the end of the first week following conception the fertilized egg now has approximately 100 cells and is known as the _____.

Accepted Answer

A) neonate 
B) fetus 
C) embryo 
D) blastocyst 
A) neonate 
B) fetus 
C) embryo 
D) blastocyst

Question 7

If John has schizophrenia,how likely is it that his dizygotic twin brother will also have schizophrenia?

Accepted Answer

A) John's brother will also have schizophrenia. 
B) There is a 38% probability that John's brother will have schizophrenia. 
C) There is an 18% probability that John's brother will have schizophrenia. 
D) John's brother will not have schizophrenia. 
A) John's brother will also have schizophrenia. 
B) There is a 38% probability that John's brother will have schizophrenia. 
C) There is an 18% probability that John's brother will have schizophrenia. 
D) John's brother will not have schizophrenia.

Question 8

The totality of an individual's genes is referred to as his or her ____.

Accepted Answer

A) phenotype 
B) genotype 
C) inheritance 
D) environment 
A) phenotype 
B) genotype 
C) inheritance 
D) environment

Question 9

Research conducted in Finland has shown that prenatal malnutrition is a risk factor in what disorder in emerging adulthood?

Accepted Answer

A) dissociative disorder 
B) depression 
C) schizophrenia 
D) bipolar disorder 
A) dissociative disorder 
B) depression 
C) schizophrenia 
D) bipolar disorder

Question 10

What percent of infertility problems are related to the male?

Accepted Answer

A) 10% 
B) 30% 
C) 50% 
D) 70% 
A) 10% 
B) 30% 
C) 50% 
D) 70%

Question 11

Monozygotic (MZ)twins are also known as _____.

Accepted Answer

A) fraternal twins 
B) identical twins 
C) dizygotic twins 
D) conjoined twins 
A) fraternal twins 
B) identical twins 
C) dizygotic twins 
D) conjoined twins

Question 12

Sickle-cell anemia is an evolutionary defense against what disease?

Accepted Answer

A) sickle-cell trait 
B) malaria 
C) smallpox 
D) Nile fever 
A) sickle-cell trait 
B) malaria 
C) smallpox 
D) Nile fever

Question 13

Give an example of pregnancy advice that reflects cultural wisdom in traditional cultures.What is a plausible explanation that this advice is passed down from generation to generation?

Accepted Answer

Among the Beng people of West Africa,wom

Question 14

It takes approximately three times longer for men over the age of 40 to impregnate a partner than it does for men under age 25.Why?

Accepted Answer

A) lack of libido 
B) endometriosis 
C) decrease in the quantity and quality of their sperm 
D) their partner's fertility 
A) lack of libido 
B) endometriosis 
C) decrease in the quantity and quality of their sperm 
D) their partner's fertility

Question 15

Of the following,which best describes the Y chromosome?

Accepted Answer

A) The Y chromosome is bigger than X chromosome. 
B) The Y chromosome contains 30% less genetic material than the X chromosome. 
C) The Y chromosome is responsible for determining the sex of the child. 
D) There are no differences between the Y chromosome and the X chromosome. 
A) The Y chromosome is bigger than X chromosome. 
B) The Y chromosome contains 30% less genetic material than the X chromosome. 
C) The Y chromosome is responsible for determining the sex of the child. 
D) There are no differences between the Y chromosome and the X chromosome.

Question 16

Fernando and Rebecca are anxious to know the sex of their baby.It would not be until the end of the ____ month of pregnancy that they can find out because the genitalia will not have fully formed before then.

Accepted Answer

A) 2nd 
B) 3rd 
C) 4th 
D) 5th 
A) 2nd 
B) 3rd 
C) 4th 
D) 5th

Question 17

Each form of a gene that is contained within a chromosome is referred to as a ____.

Accepted Answer

A) dominant gene 
B) recessive gene 
C) allele 
D) single gene 
A) dominant gene 
B) recessive gene 
C) allele 
D) single gene

Question 18

Jill's mother and father both have brown eyes yet she has blue eyes.She has come to believe that she is not her parents' actual biological daughter.What would you tell her?

Accepted Answer

A) Her mother and father probably carry the recessive trait for blue eyes. 
B) She is 
C) Blue eyes are dominant,so her parents should have blue eyes too. 
D) Only the environment determines eye color once the fetus has been born. 
A) Her mother and father probably carry the recessive trait for blue eyes. 
B) She is 
C) Blue eyes are dominant,so her parents should have blue eyes too. 
D) Only the environment determines eye color once the fetus has been born.

Question 19

The embryonic period lasts from the ____ to the ____.

Accepted Answer

A) 1st week; 4th week 
B) 3rd week; 8th week 
C) 6th week; 16th week 
D) 12th week; 32nd week 
A) 1st week; 4th week 
B) 3rd week; 8th week 
C) 6th week; 16th week 
D) 12th week; 32nd week

Question 20

An infant born with facial deformities,heart problems,misshapen limbs,and a variety of cognitive problems,such as mental retardation,has characteristics of which of the following?

Accepted Answer

A) fetal alcohol spectrum disorder 
B) autism 
C) Prader-Willi syndrome 
D) rubella 
A) fetal alcohol spectrum disorder 
B) autism 
C) Prader-Willi syndrome 
D) rubella

Down syndrome is also known as trisomy-21 because individuals with Down syndrome ____.

What percentage of blastocysts do not implant successfully?

If the fetus has the sex chromosomes XY,its genotype is _____.

The use of fertility drugs increases the likelihood of all of the following except ____.

At three months the average fetus _____.

By the end of the first week following conception the fertilized egg now has approximately 100 cells and is known as the _____.

If John has schizophrenia,how likely is it that his dizygotic twin brother will also have schizophrenia?

The totality of an individual's genes is referred to as his or her ____.

Research conducted in Finland has shown that prenatal malnutrition is a risk factor in what disorder in emerging adulthood?

What percent of infertility problems are related to the male?

Monozygotic (MZ)twins are also known as _____.

Sickle-cell anemia is an evolutionary defense against what disease?

Give an example of pregnancy advice that reflects cultural wisdom in traditional cultures.What is a plausible explanation that this advice is passed down from generation to generation?

It takes approximately three times longer for men over the age of 40 to impregnate a partner than it does for men under age 25.Why?

Of the following,which best describes the Y chromosome?

Fernando and Rebecca are anxious to know the sex of their baby.It would not be until the end of the ____ month of pregnancy that they can find out because the genitalia will not have fully formed before then.

Each form of a gene that is contained within a chromosome is referred to as a ____.

Jill's mother and father both have brown eyes yet she has blue eyes.She has come to believe that she is not her parents' actual biological daughter.What would you tell her?

The embryonic period lasts from the to the .

An infant born with facial deformities,heart problems,misshapen limbs,and a variety of cognitive problems,such as mental retardation,has characteristics of which of the following?

A Cultural Approach to Human Development

Birth and the Newborn Child

Infancy

Toddlerhood

Early Childhood

Middle Childhood

Adolescence

Emerging Adulthood

Young Adulthood

Middle Adulthood

Late Adulthood

Death and Afterlife Beliefs

Filters

Exam 2: Genetics and Prenatal Development

Down syndrome is also known as trisomy-21 because individuals with Down syndrome ____.

What percentage of blastocysts do not implant successfully?

If the fetus has the sex chromosomes XY,its genotype is _____.

The use of fertility drugs increases the likelihood of all of the following except ____.

At three months the average fetus _____.

By the end of the first week following conception the fertilized egg now has approximately 100 cells and is known as the _____.

If John has schizophrenia,how likely is it that his dizygotic twin brother will also have schizophrenia?

The totality of an individual's genes is referred to as his or her ____.

Research conducted in Finland has shown that prenatal malnutrition is a risk factor in what disorder in emerging adulthood?

What percent of infertility problems are related to the male?

Monozygotic (MZ)twins are also known as _____.

Sickle-cell anemia is an evolutionary defense against what disease?

Give an example of pregnancy advice that reflects cultural wisdom in traditional cultures.What is a plausible explanation that this advice is passed down from generation to generation?

It takes approximately three times longer for men over the age of 40 to impregnate a partner than it does for men under age 25.Why?

Of the following,which best describes the Y chromosome?

Fernando and Rebecca are anxious to know the sex of their baby.It would not be until the end of the ____ month of pregnancy that they can find out because the genitalia will not have fully formed before then.

Each form of a gene that is contained within a chromosome is referred to as a ____.

Jill's mother and father both have brown eyes yet she has blue eyes.She has come to believe that she is not her parents' actual biological daughter.What would you tell her?

The embryonic period lasts from the ____ to the ____.

An infant born with facial deformities,heart problems,misshapen limbs,and a variety of cognitive problems,such as mental retardation,has characteristics of which of the following?

A Cultural Approach to Human Development

Birth and the Newborn Child

Infancy

Toddlerhood

Early Childhood

Middle Childhood

Adolescence

Emerging Adulthood

Young Adulthood

Middle Adulthood

Late Adulthood

Death and Afterlife Beliefs

Filters

The embryonic period lasts from the to the .