Question 1

Sperm and ova are produced by which of the following, respectively?

Accepted Answer

A)  penis and uterus 
B)  scrotum and vulva 
C)  testes and ovaries 
D)  kidneys and pancreas 
A)  penis and uterus 
B)  scrotum and vulva 
C)  testes and ovaries 
D)  kidneys and pancreas

Question 2

What helps children with trisomy 21 develop more favourably?

Accepted Answer

A)  Hormone replacement therapy 
B)  Weekly motor treatments 
C)  A heart transplant 
D)  Supportive and encouraging parents 
A)  Hormone replacement therapy 
B)  Weekly motor treatments 
C)  A heart transplant 
D)  Supportive and encouraging parents

Question 3

Through what process are gametes formed?

Accepted Answer

A)  Mitosis 
B)  Meiosis 
C)  Sex differentiation 
D)  Dimorphic cell division 
A)  Mitosis 
B)  Meiosis 
C)  Sex differentiation 
D)  Dimorphic cell division

Question 4

When does implantation of the blastocyst occur?

Accepted Answer

A)  At conception 
B)  During the second week after conception 
C)  During the second month after conception 
D)  During the second trimester after conception 
A)  At conception 
B)  During the second week after conception 
C)  During the second month after conception 
D)  During the second trimester after conception

Question 5

Elizabeth was just born. Her father is 6′8″ tall and her mother is 5′11″ tall. It is quite likely that Elisabeth will be tall as well. However, the environment will play a role in her eventual height as well. The genetic potential for Elizabeth's height is known as the ____.

Accepted Answer

A)  environmental range 
B)  reaction range 
C)  genetic range 
D)  interaction range 
A)  environmental range 
B)  reaction range 
C)  genetic range 
D)  interaction range

Question 6

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 7

Why is aerobic exercise important to a pregnant woman? It helps ____.

Accepted Answer

A)  lower muscle mass 
B)  increase foetal heart rate 
C)  stop dangerous teratogens from reaching the foetus 
D)  increase the woman's ability to process oxygen 
A)  lower muscle mass 
B)  increase foetal heart rate 
C)  stop dangerous teratogens from reaching the foetus 
D)  increase the woman's ability to process oxygen

Question 8

Why are males more susceptible to X-linked disorders?

Accepted Answer

A)  Because males have an XX pairing of chromosomes; therefore, this increases their odds of a disorder. 
B)  Because males have an XY pairing of chromosomes and the Y chromosome is more likely to host a genetic disorder. 
C)  Because most genetic disorders are connected to the dominant gene and since men have an XY pairing, a disorder is more likely to be expressed. 
D)  Because males have one X chromosome, and if a recessive gene for a disorder is present, he does not have another X chromosome that may contain a dominant gene to block its expression. 
A)  Because males have an XX pairing of chromosomes; therefore, this increases their odds of a disorder. 
B)  Because males have an XY pairing of chromosomes and the Y chromosome is more likely to host a genetic disorder. 
C)  Because most genetic disorders are connected to the dominant gene and since men have an XY pairing, a disorder is more likely to be expressed. 
D)  Because males have one X chromosome, and if a recessive gene for a disorder is present, he does not have another X chromosome that may contain a dominant gene to block its expression.

Question 9

Based upon the reading, a midwife might perform a(n) ____ if the foetus's feet are pointed towards the vaginal opening.

Accepted Answer

A)  diversion 
B)  prenatal massage 
C)  inversion 
D)  amniocentesis 
A)  diversion 
B)  prenatal massage 
C)  inversion 
D)  amniocentesis

Question 10

Low iodine intake during pregnancy increases the risks of miscarriage, stillbirth and abnormalities in foetal brain development. As a result, what has been done since the 1920s in developed countries?

Accepted Answer

A)  Women receive iodine injections 
B)  Salt has been iodised 
C)  Babies are given iodine baths after birth 
D)  Foetuses are examined with ultrasound 
A)  Women receive iodine injections 
B)  Salt has been iodised 
C)  Babies are given iodine baths after birth 
D)  Foetuses are examined with ultrasound

Question 11

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 12

The last major organ system to develop during foetal life is the _____.

Accepted Answer

A)  heart 
B)  lungs 
C)  intestines 
D)  skeletal muscles 
A)  heart 
B)  lungs 
C)  intestines 
D)  skeletal muscles

Question 13

On every pair of chromosomes there are how many forms of each gene?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  4 
A)  1 
B)  2 
C)  3 
D)  4

Question 14

Over the past century, it can be estimated that the fertility rate in Australia has _____.

Accepted Answer

A)  remained the same at 35% 
B)  declined to 5% 
C)  remained the same at 10%-15% 
D)  declined to 10%-25% 
A)  remained the same at 35% 
B)  declined to 5% 
C)  remained the same at 10%-15% 
D)  declined to 10%-25%

Question 15

The outer layer of cells that will form the structures that will provide protection and nourishment for the newly formed organism is the ____.

Accepted Answer

A)  umbilical cord 
B)  placenta 
C)  embryonic disk 
D)  trophoblast 
A)  umbilical cord 
B)  placenta 
C)  embryonic disk 
D)  trophoblast

Question 16

Your friend just had her first pregnancy check-up and is just starting her second month of pregnancy. She is very upset that she was not given the chance to hear her foetus's heartbeat. Remembering what you learned in developmental class, what should you tell her?

Accepted Answer

A)  That probably means that the foetus died. 
B)  She will not be able to hear the heartbeat with a stethoscope until the third month. 
C)  The foetus probably has a heart problem. 
D)  The doctor did not want her to hear the foetal heartbeat. 
A)  That probably means that the foetus died. 
B)  She will not be able to hear the heartbeat with a stethoscope until the third month. 
C)  The foetus probably has a heart problem. 
D)  The doctor did not want her to hear the foetal heartbeat.

Question 17

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

Question 18

From a global perspective, which of the following is the most common teratogen to affect pregnancies?

Accepted Answer

A)  Lead 
B)  Malnutrition 
C)  Alcohol 
D)  Rubella 
A)  Lead 
B)  Malnutrition 
C)  Alcohol 
D)  Rubella

Question 19

The chromosomes that determine if a foetus will be male or female are known as the _____.

Accepted Answer

A)  sex chromosomes 
B)  gender chromosomes 
C)  male chromosomes 
D)  female chromosomes 
A)  sex chromosomes 
B)  gender chromosomes 
C)  male chromosomes 
D)  female chromosomes

Question 20

Which of the following statements best describes the nature-nurture debate?

Accepted Answer

A)  Most characteristics develop solely from nature or nurture, but not both. 
B)  Most characteristics develop from a combination of nature and nurture. 
C)  Most characteristics develop from only nature. 
D)  Most characteristics develop from only nurture. 
A)  Most characteristics develop solely from nature or nurture, but not both. 
B)  Most characteristics develop from a combination of nature and nurture. 
C)  Most characteristics develop from only nature. 
D)  Most characteristics develop from only nurture.

Sperm and ova are produced by which of the following, respectively?

What helps children with trisomy 21 develop more favourably?

Through what process are gametes formed?

When does implantation of the blastocyst occur?

Elizabeth was just born. Her father is 6′8″ tall and her mother is 5′11″ tall. It is quite likely that Elisabeth will be tall as well. However, the environment will play a role in her eventual height as well. The genetic potential for Elizabeth's height is known as the ____.

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?

Why is aerobic exercise important to a pregnant woman? It helps ____.

Why are males more susceptible to X-linked disorders?

Based upon the reading, a midwife might perform a(n) ____ if the foetus's feet are pointed towards the vaginal opening.

Low iodine intake during pregnancy increases the risks of miscarriage, stillbirth and abnormalities in foetal brain development. As a result, what has been done since the 1920s in developed countries?

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

The last major organ system to develop during foetal life is the _____.

On every pair of chromosomes there are how many forms of each gene?

Over the past century, it can be estimated that the fertility rate in Australia has _____.

The outer layer of cells that will form the structures that will provide protection and nourishment for the newly formed organism is the ____.

Your friend just had her first pregnancy check-up and is just starting her second month of pregnancy. She is very upset that she was not given the chance to hear her foetus's heartbeat. Remembering what you learned in developmental class, what should you tell her?

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

From a global perspective, which of the following is the most common teratogen to affect pregnancies?

The chromosomes that determine if a foetus will be male or female are known as the _____.

Which of the following statements best describes the nature-nurture debate?

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

Sperm and ova are produced by which of the following, respectively?

What helps children with trisomy 21 develop more favourably?

Through what process are gametes formed?

When does implantation of the blastocyst occur?

Elizabeth was just born. Her father is 6′8″ tall and her mother is 5′11″ tall. It is quite likely that Elisabeth will be tall as well. However, the environment will play a role in her eventual height as well. The genetic potential for Elizabeth's height is known as the ____.

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?

Why is aerobic exercise important to a pregnant woman? It helps ____.

Why are males more susceptible to X-linked disorders?

Based upon the reading, a midwife might perform a(n) ____ if the foetus's feet are pointed towards the vaginal opening.

Low iodine intake during pregnancy increases the risks of miscarriage, stillbirth and abnormalities in foetal brain development. As a result, what has been done since the 1920s in developed countries?

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

The last major organ system to develop during foetal life is the _____.

On every pair of chromosomes there are how many forms of each gene?

Over the past century, it can be estimated that the fertility rate in Australia has _____.

The outer layer of cells that will form the structures that will provide protection and nourishment for the newly formed organism is the ____.

Your friend just had her first pregnancy check-up and is just starting her second month of pregnancy. She is very upset that she was not given the chance to hear her foetus's heartbeat. Remembering what you learned in developmental class, what should you tell her?

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

From a global perspective, which of the following is the most common teratogen to affect pregnancies?

The chromosomes that determine if a foetus will be male or female are known as the _____.

Which of the following statements best describes the nature-nurture debate?

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