Question 1

Pregnant women should avoid work that involves exposure to which of the following?

Accepted Answer

A)  X-rays 
B)  Hazardous chemicals 
C)  Infectious diseases 
D)  All of the above

Question 2

Monozygotic (MZ) twins are also known as _____.

Accepted Answer

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

Question 3

At the end of the eighth week, the embryo is only one inch long and weighs just one gram. According to the text, what can the embryo now do?

Accepted Answer

A)  Step in place 
B)  Suck its thumb 
C)  Vocalise 
D)  Respond to touch

Question 4

Sandra Scarr and Kathleen McCartney proposed the theory of genotype $\rightarrow$environment effects. Which subtype occurs when a person's inherited characteristics bring about responses from others in their environment?

Accepted Answer

A)  Passive genotype $\rightarrow$environment effects 
B)  Evocative genotype $\rightarrow$environment effects 
C)  Active genotype $\rightarrow$environment effects 
D)  Inactive genotype $\rightarrow$environment effects

Question 5

One of the consequences of having a sex chromosomal disorder is that it might disrupt development of the reproductive system at puberty. What can be done about the difficulty at puberty?

Accepted Answer

A)  Role playing therapy 
B)  Hormone replacement treatment 
C)  Group therapy 
D)  Strenuous exercise

Question 6

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

Question 7

At the conclusion of meiosis, how many sperm cells have been formed?

Accepted Answer

A)  2 
B)  4 
C)  8 
D)  16

Question 8

Infertility is most often caused by problems in ovulation. How?

Accepted Answer

The answer of Infertility is most often caused by problems...

Question 9

The characteristics of an individual's genetic material are referred to as his or her _____.

Accepted Answer

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

Question 10

What is the leading cause of low birth weight in developed countries?

Accepted Answer

A)  Smoking 
B)  Cocaine use 
C)  Drinking alcohol 
D)  Mega-dosing of vitamins

Question 11

The prenatal massage is usually performed by whom?

Accepted Answer

A)  Husband 
B)  Midwife 
C)  Herself 
D)  Other children

Question 12

Recent scientific studies have shown that women should gain ____ kilograms during pregnancy.

Accepted Answer

A)  7-9 
B)  11-16 
C)  16-18 
D)  20-23

Question 13

The foetal 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

Question 14

A behavioural geneticist would use which of the following research methods to study the influence of genetics?

Accepted Answer

A)  Longitudinal studies 
B)  Cross-sectional studies 
C)  Quasi-experimental studies 
D)  Twin and adoption studies

Question 15

At the conclusion of meiosis, how may ova have been formed?

Accepted Answer

A)  1 with 3 polar bodies 
B)  2 with 2 polar bodies 
C)  3 with 1 polar body 
D)  4 with no polar bodies

Question 16

What are the major teratogens during the foetal period?

Accepted Answer

A)  Lack of maternal sleep and lack of exercise 
B)  Excessive maternal weight gain and maternal age 
C)  Malnutrition and tobacco 
D)  Sugar and starch

Question 17

According to the text, chromosomes are composed of complex molecules known as _____.

Accepted Answer

A)  nucleotides 
B)  genes 
C)  DNA 
D)  RNA

Question 18

What is the process that allows mixing the combinations of genes in a single chromosome, resulting in a virtually infinite possible combination of genes?

Accepted Answer

A)  Sampling from a large genetic pool 
B)  Gamete swapping 
C)  Crossing over 
D)  Mitosis

Question 19

The ____ is when genes establish boundaries for environmental influences rather than specifically denoting a particular characteristic.

Accepted Answer

A)  reaction range 
B)  nature-nurture debate 
C)  genetic ratio 
D)  concordance rate

Question 20

The first 2 weeks after fertilisation is known as ____.

Accepted Answer

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

Exam 2: Genetics and Prenatal Development

Pregnant women should avoid work that involves exposure to which of the following?

Monozygotic (MZ) twins are also known as _____.

At the end of the eighth week, the embryo is only one inch long and weighs just one gram. According to the text, what can the embryo now do?

Sandra Scarr and Kathleen McCartney proposed the theory of genotype $\rightarrow$ environment effects. Which subtype occurs when a person's inherited characteristics bring about responses from others in their environment?

One of the consequences of having a sex chromosomal disorder is that it might disrupt development of the reproductive system at puberty. What can be done about the difficulty at puberty?

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 _____.

At the conclusion of meiosis, how many sperm cells have been formed?

Infertility is most often caused by problems in ovulation. How?

The characteristics of an individual's genetic material are referred to as his or her _____.

What is the leading cause of low birth weight in developed countries?

The prenatal massage is usually performed by whom?

Recent scientific studies have shown that women should gain ____ kilograms during pregnancy.

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

A behavioural geneticist would use which of the following research methods to study the influence of genetics?

At the conclusion of meiosis, how may ova have been formed?

What are the major teratogens during the foetal period?

According to the text, chromosomes are composed of complex molecules known as _____.

What is the process that allows mixing the combinations of genes in a single chromosome, resulting in a virtually infinite possible combination of genes?

The ____ is when genes establish boundaries for environmental influences rather than specifically denoting a particular characteristic.

The first 2 weeks after fertilisation is known as ____.

Exam 2: Genetics and Prenatal Development

Pregnant women should avoid work that involves exposure to which of the following?

Monozygotic (MZ) twins are also known as _____.

At the end of the eighth week, the embryo is only one inch long and weighs just one gram. According to the text, what can the embryo now do?

Sandra Scarr and Kathleen McCartney proposed the theory of genotype →\rightarrow→ environment effects. Which subtype occurs when a person's inherited characteristics bring about responses from others in their environment?

One of the consequences of having a sex chromosomal disorder is that it might disrupt development of the reproductive system at puberty. What can be done about the difficulty at puberty?

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 _____.

At the conclusion of meiosis, how many sperm cells have been formed?

Infertility is most often caused by problems in ovulation. How?

The characteristics of an individual's genetic material are referred to as his or her _____.

What is the leading cause of low birth weight in developed countries?

The prenatal massage is usually performed by whom?

Recent scientific studies have shown that women should gain ____ kilograms during pregnancy.

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

A behavioural geneticist would use which of the following research methods to study the influence of genetics?

At the conclusion of meiosis, how may ova have been formed?

What are the major teratogens during the foetal period?

According to the text, chromosomes are composed of complex molecules known as _____.

What is the process that allows mixing the combinations of genes in a single chromosome, resulting in a virtually infinite possible combination of genes?

The ____ is when genes establish boundaries for environmental influences rather than specifically denoting a particular characteristic.

The first 2 weeks after fertilisation is known as ____.

Sandra Scarr and Kathleen McCartney proposed the theory of genotype $\rightarrow$ environment effects. Which subtype occurs when a person's inherited characteristics bring about responses from others in their environment?