Question 1

The first 2 weeks after fertilization is known as ____.

Accepted Answer

A) conception 
B) the germinal period 
C) the embryonic period 
D) the fetal period 
A) conception 
B) the germinal period 
C) the embryonic period 
D) the fetal period

Question 2

Your friend just found out that she is pregnant after trying for six months.But she is paranoid that she is going to have a baby with a chromosomal disorder.You try to reassure her by telling her that the rate of babies born with chromosomal disorders is _____.

Accepted Answer

A) 1 in 10 
B) 1 in 200 
C) 1 in 500 
D) 1 in 1,000 
A) 1 in 10 
B) 1 in 200 
C) 1 in 500 
D) 1 in 1,000

Question 3

Who is more affected by X-linked inherited disorders?

Accepted Answer

A) females 
B) males 
C) children under one year of age 
D) adults with mutations 
A) females 
B) males 
C) children under one year of age 
D) adults with mutations

Question 4

Who is most likely to have sickle-cell anemia?

Accepted Answer

A) European and European Americans 
B) Hispanics and Hispanic Americans 
C) Asians and Asian Americans 
D) Africans and African Americans 
A) European and European Americans 
B) Hispanics and Hispanic Americans 
C) Asians and Asian Americans 
D) Africans and African Americans

Question 5

Which of the following individuals illustrates a person who is closer to the peak of their reaction range?

Accepted Answer

A) Samir was born with a potential IQ of 145 (gifted IQ),was raised in an educationally enriching environment,and is a highly motivated learner. 
B) Joseppi,who was born with a potential IQ of 145 (gifted IQ),was raised in an educationally deprived environment and is an unmotivated learner. 
C) Susan was born with the potential IQ of 80 (below average IQ),was raised in an educationally deprived environment and is an unmotivated learner. 
D) Iman,who was born with the potential IQ of 80 (below average IQ),was raised in an educationally enriching environment and is an unmotivated learner who makes little progress. 
A) Samir was born with a potential IQ of 145 (gifted IQ),was raised in an educationally enriching environment,and is a highly motivated learner. 
B) Joseppi,who was born with a potential IQ of 145 (gifted IQ),was raised in an educationally deprived environment and is an unmotivated learner. 
C) Susan was born with the potential IQ of 80 (below average IQ),was raised in an educationally deprived environment and is an unmotivated learner. 
D) Iman,who was born with the potential IQ of 80 (below average IQ),was raised in an educationally enriching environment and is an unmotivated learner who makes little progress.

Question 6

The purpose of lanugo is to ____.

Accepted Answer

A) work as a lubricant during the birthing process 
B) lubricate the lungs 
C) guide neuro-migration during brain development 
D) help the vernix stick to the fetus's skin,which protects against chapping 
A) work as a lubricant during the birthing process 
B) lubricate the lungs 
C) guide neuro-migration during brain development 
D) help the vernix stick to the fetus's skin,which protects against chapping

Question 7

Rashid and Varsha are seeking fertility treatment and were informed by their physician that Rashid's sperm count is low and the quality is poor.Which of the following suggestions were made to help increase his sperm production and quality?

Accepted Answer

A) Quit smoking,decrease alcohol consumption,and do not abuse drugs. 
B) Start a calcium regimen,consume more iron,and take a multivitamin. 
C) Exercise daily,increase caffeine consumption,and reduce stress. 
D) Avoid wearing boxers shorts and switch to tighter underwear. 
A) Quit smoking,decrease alcohol consumption,and do not abuse drugs. 
B) Start a calcium regimen,consume more iron,and take a multivitamin. 
C) Exercise daily,increase caffeine consumption,and reduce stress. 
D) Avoid wearing boxers shorts and switch to tighter underwear.

Question 8

As compared with developing nations,the rates of miscarriage,stillbirth,and abnormalities in fetal brain development have been lowered because iodine has been added to ____.

Accepted Answer

A) salt 
B) school lunches 
C) bread 
D) the water supply 
A) salt 
B) school lunches 
C) bread 
D) the water supply

Question 9

The outer layer of the embryonic disk will become ____.

Accepted Answer

A) the brain and spinal cord 
B) skin,hair,nails,and the nervous system 
C) muscle,bones,and the circulatory system 
D) the digestive and respiratory systems 
A) the brain and spinal cord 
B) skin,hair,nails,and the nervous system 
C) muscle,bones,and the circulatory system 
D) the digestive and respiratory systems

Question 10

Human sex cells,sperm and ova,each contain how many chromosomes?

Accepted Answer

A) 23 
B) 46 
C) 23 pairs 
D) 46 pairs 
A) 23 
B) 46 
C) 23 pairs 
D) 46 pairs

Question 11

Single gene pairs play a crucial role in development.However,it is more common that developmental outcomes occur because of the interaction of multiple genes.This is known as _____.

Accepted Answer

A) inheritability 
B) polygenic inheritance 
C) bimodal inheritance 
D) single dominance 
A) inheritability 
B) polygenic inheritance 
C) bimodal inheritance 
D) single dominance

Question 12

In a dominant-recessive pairing,which of the following genes would be expressed in a person's phenotype?

Accepted Answer

A) the dominant 
B) the recessive 
C) the dominant-recessive pairing 
D) it is too complicated to know which genes will be expressed 
A) the dominant 
B) the recessive 
C) the dominant-recessive pairing 
D) it is too complicated to know which genes will be expressed

Question 13

The difference between an individual's genotype and its expression in his or her phenotype is a consequence of the person's ____.

Accepted Answer

A) genes 
B) DNA 
C) environment 
D) parents 
A) genes 
B) DNA 
C) environment 
D) parents

Question 14

A person with an XY pairing of chromosomes is a ____,whereas a person with an XX pairing of chromosomes is a ____.

Accepted Answer

A) male; female 
B) female; male 
C) homogenetic inheritance; polygenetic inheritance 
D) polygenetic inheritance; homogenetic inheritance 
A) male; female 
B) female; male 
C) homogenetic inheritance; polygenetic inheritance 
D) polygenetic inheritance; homogenetic inheritance

Question 15

What do fetuses do when their mothers are highly stressed?

Accepted Answer

A) become very still 
B) move more and have faster heart rates 
C) suck their thumbs 
D) hold their hands to their ears 
A) become very still 
B) move more and have faster heart rates 
C) suck their thumbs 
D) hold their hands to their ears

Question 16

If the gene for curly hair is dominant and the gene for straight hair is recessive,from a dominant-recessive pairing,which of the following would be an individual's phenotype?

Accepted Answer

A) straight hair 
B) curly hair 
C) dominant-recessive 
D) their complete genetic makeup 
A) straight hair 
B) curly hair 
C) dominant-recessive 
D) their complete genetic makeup

Question 17

According to the text,how early can the fetus's heartbeat be heard with a stethoscope?

Accepted Answer

A) during the third week 
B) during the third month 
C) during the fifth month 
D) during the seventh month 
A) during the third week 
B) during the third month 
C) during the fifth month 
D) during the seventh month

Question 18

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 19

The fetal period ends at birth.When does it begin?

Accepted Answer

A) 4 weeks after conception 
B) 9 weeks after conception 
C) 12 weeks after conception 
D) 15 weeks after conception 
A) 4 weeks after conception 
B) 9 weeks after conception 
C) 12 weeks after conception 
D) 15 weeks after conception

Question 20

HIV / AIDS can be transmitted from the mother to the child ____.

Accepted Answer

A) during prenatal development,birth,or through breast milk 
B) through casual skin-to-skin contact such as hugs and kisses 
C) via bacterial infections during times of illness while pregnant 
D) through HIV bacteria being transmitted via contaminated environmental objects 
A) during prenatal development,birth,or through breast milk 
B) through casual skin-to-skin contact such as hugs and kisses 
C) via bacterial infections during times of illness while pregnant 
D) through HIV bacteria being transmitted via contaminated environmental objects

The first 2 weeks after fertilization is known as ____.

Your friend just found out that she is pregnant after trying for six months.But she is paranoid that she is going to have a baby with a chromosomal disorder.You try to reassure her by telling her that the rate of babies born with chromosomal disorders is _____.

Who is more affected by X-linked inherited disorders?

Who is most likely to have sickle-cell anemia?

Which of the following individuals illustrates a person who is closer to the peak of their reaction range?

The purpose of lanugo is to ____.

Rashid and Varsha are seeking fertility treatment and were informed by their physician that Rashid's sperm count is low and the quality is poor.Which of the following suggestions were made to help increase his sperm production and quality?

As compared with developing nations,the rates of miscarriage,stillbirth,and abnormalities in fetal brain development have been lowered because iodine has been added to ____.

The outer layer of the embryonic disk will become ____.

Human sex cells,sperm and ova,each contain how many chromosomes?

Single gene pairs play a crucial role in development.However,it is more common that developmental outcomes occur because of the interaction of multiple genes.This is known as _____.

In a dominant-recessive pairing,which of the following genes would be expressed in a person's phenotype?

The difference between an individual's genotype and its expression in his or her phenotype is a consequence of the person's ____.

A person with an XY pairing of chromosomes is a ,whereas a person with an XX pairing of chromosomes is a .

What do fetuses do when their mothers are highly stressed?

If the gene for curly hair is dominant and the gene for straight hair is recessive,from a dominant-recessive pairing,which of the following would be an individual's phenotype?

According to the text,how early can the fetus's heartbeat be heard with a stethoscope?

What percent of infertility problems are related to the male?

The fetal period ends at birth.When does it begin?

HIV / AIDS can be transmitted from the mother to the child ____.

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

The first 2 weeks after fertilization is known as ____.

Your friend just found out that she is pregnant after trying for six months.But she is paranoid that she is going to have a baby with a chromosomal disorder.You try to reassure her by telling her that the rate of babies born with chromosomal disorders is _____.

Who is more affected by X-linked inherited disorders?

Who is most likely to have sickle-cell anemia?

Which of the following individuals illustrates a person who is closer to the peak of their reaction range?

The purpose of lanugo is to ____.

Rashid and Varsha are seeking fertility treatment and were informed by their physician that Rashid's sperm count is low and the quality is poor.Which of the following suggestions were made to help increase his sperm production and quality?

As compared with developing nations,the rates of miscarriage,stillbirth,and abnormalities in fetal brain development have been lowered because iodine has been added to ____.

The outer layer of the embryonic disk will become ____.

Human sex cells,sperm and ova,each contain how many chromosomes?

Single gene pairs play a crucial role in development.However,it is more common that developmental outcomes occur because of the interaction of multiple genes.This is known as _____.

In a dominant-recessive pairing,which of the following genes would be expressed in a person's phenotype?

The difference between an individual's genotype and its expression in his or her phenotype is a consequence of the person's ____.

A person with an XY pairing of chromosomes is a ____,whereas a person with an XX pairing of chromosomes is a ____.

What do fetuses do when their mothers are highly stressed?

If the gene for curly hair is dominant and the gene for straight hair is recessive,from a dominant-recessive pairing,which of the following would be an individual's phenotype?

According to the text,how early can the fetus's heartbeat be heard with a stethoscope?

What percent of infertility problems are related to the male?

The fetal period ends at birth.When does it begin?

HIV / AIDS can be transmitted from the mother to the child ____.

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

A person with an XY pairing of chromosomes is a ,whereas a person with an XX pairing of chromosomes is a .