Question 1

What is the cause of cystic fibrosis?

Accepted Answer

A)  a recessive gene 
B)  a dominant gene 
C)  incomplete mitosis 
D)  an abnormality in the 21st pair of chromosomes 
A)  a recessive gene 
B)  a dominant gene 
C)  incomplete mitosis 
D)  an abnormality in the 21st pair of chromosomes

Question 2

The major organ systems differentiate during the embryonic period of development.

Accepted Answer

A) True 
 B)False

Question 3

What is the definition of heredity?

Accepted Answer

A)  the molecular structure of the rod-shaped structures located in the cells 
B)  physical traits determined by the combining of various genes 
C)  the cell division process by which growth occurs and tissues are replaced 
D)  one's nature, which is based on biological transmission of traits and characteristics 
A)  the molecular structure of the rod-shaped structures located in the cells 
B)  physical traits determined by the combining of various genes 
C)  the cell division process by which growth occurs and tissues are replaced 
D)  one's nature, which is based on biological transmission of traits and characteristics

Question 4

What branch of science includes the study of genetics?

Accepted Answer

A)  chemistry 
B)  physics 
C)  biology 
D)  psychology 
A)  chemistry 
B)  physics 
C)  biology 
D)  psychology

Question 5

Why are sex-linked diseases more likely to affect sons of female carriers?

Accepted Answer

A)  These diseases are carried on dominant genes. 
B)  These diseases are carried on the Y chromosome. 
C)  Females are at a diminished risk because they could inherit a XYY profile. 
D)  Males have only one X chromosome, which they inherit from their mothers. 
A)  These diseases are carried on dominant genes. 
B)  These diseases are carried on the Y chromosome. 
C)  Females are at a diminished risk because they could inherit a XYY profile. 
D)  Males have only one X chromosome, which they inherit from their mothers.

Question 6

What does CVS stand for?

Accepted Answer

A)  cervical villus sampling 
B)  cervical variability study 
C)  chorionic villus sampling 
D)  chorionic variability sampling 
A)  cervical villus sampling 
B)  cervical variability study 
C)  chorionic villus sampling 
D)  chorionic variability sampling

Question 7

Queen Victoria was a carrier of which of the following?

Accepted Answer

A)  myopia 
B)  red-green colour blindness 
C)  phenylketonuria 
D)  hemophilia 
A)  myopia 
B)  red-green colour blindness 
C)  phenylketonuria 
D)  hemophilia

Question 8

How is HIV/AIDS transmitted in pregnant women?

Accepted Answer

A)  It is always transmitted from the pregnant woman to the unborn child. 
B)  It is usually transmitted during pregnancy from the mother to unborn child. 
C)  It is caused by casual contact between the pregnant woman and someone with the disease. 
D)  It is transmitted through breast milk or during a vaginal delivery more frequently than during pregnancy. 
A)  It is always transmitted from the pregnant woman to the unborn child. 
B)  It is usually transmitted during pregnancy from the mother to unborn child. 
C)  It is caused by casual contact between the pregnant woman and someone with the disease. 
D)  It is transmitted through breast milk or during a vaginal delivery more frequently than during pregnancy.

Question 9

Only 1 in 1,000 sperm will arrive in the vicinity of an ovum.Which of the following factors does NOT prevent sperm cells from travelling the entire distance to the egg?

Accepted Answer

A)  gravity 
B)  vaginal acidity 
C)  current of fluid from the cervix 
D)  length of time since ovulation 
A)  gravity 
B)  vaginal acidity 
C)  current of fluid from the cervix 
D)  length of time since ovulation

Question 10

Of the 23 pairs of chromosomes, 22 pairs look alike and possess genetic information concerning the same traits.What term refers to these 22 pairs of chromosomes?

Accepted Answer

A)  autosomes 
B)  sperm cells 
C)  sex chromosomes 
D)  identical chromosomes 
A)  autosomes 
B)  sperm cells 
C)  sex chromosomes 
D)  identical chromosomes

Question 11

What is the function of genes?

Accepted Answer

A)  They regulate the development of traits. 
B)  They decide the gender of the child. 
C)  They hardwire people for certain levels of some traits. 
D)  They work together with lutein to influence development. 
A)  They regulate the development of traits. 
B)  They decide the gender of the child. 
C)  They hardwire people for certain levels of some traits. 
D)  They work together with lutein to influence development.

Question 12

MATCHING
-Testosterone

Accepted Answer

A) sex-linked genetic abnormality 
B) both alleles for a trait are the same 
C) cell division that results in identical cells 
D) the genetic material received from parents 
E) caused by a recessive gene
F)polygenically determined
G)male hormone
H)genetically male
I)twins produced from a single egg
J)cell division that results in non-identical cells
K)union of an ovum and a sperm cell
L)female hormone
M)associated with the 21st pair of chromosomes
N)how genetic material manifests itself in characteristics
O)twins produced from two eggs
P)XXY sex chromosomal pattern
Q)determined by father
R)both alleles for a trait differ
S)caused by a dominant gene
T)genetically female 
A) sex-linked genetic abnormality 
B) both alleles for a trait are the same 
C) cell division that results in identical cells 
D) the genetic material received from parents 
E) caused by a recessive gene
F)polygenically determined
G)male hormone
H)genetically male
I)twins produced from a single egg
J)cell division that results in non-identical cells
K)union of an ovum and a sperm cell
L)female hormone
M)associated with the 21st pair of chromosomes
N)how genetic material manifests itself in characteristics
O)twins produced from two eggs
P)XXY sex chromosomal pattern
Q)determined by father
R)both alleles for a trait differ
S)caused by a dominant gene
T)genetically female

Question 13

During the fetal period of prenatal development, the fetus responds to light and sounds.

Accepted Answer

A) True 
 B)False

Question 14

John thinks his neighbour's child has Down syndrome.His wife looks closely at the child's face and shakes her head.What facial characteristic did Mary notice that suggests the child does NOT have Down syndrome?

Accepted Answer

A)  a protruding tongue 
B)  a pointy nose 
C)  a sloping fold of skin over the inner corners of the eyes 
D)  a rounded face 
A)  a protruding tongue 
B)  a pointy nose 
C)  a sloping fold of skin over the inner corners of the eyes 
D)  a rounded face

Question 15

According to the Huntington Society of Canada, what is the prevalence of Huntington disease (HD) in Canada?

Accepted Answer

A)  HD affects only females. 
B)  One in every 10,000 Canadians has HD. 
C)  Ten in every 10,000 Canadians has HD. 
D)  HD affects only males. 
A)  HD affects only females. 
B)  One in every 10,000 Canadians has HD. 
C)  Ten in every 10,000 Canadians has HD. 
D)  HD affects only males.

Question 16

Which procedure poses the least risk to the fetus?

Accepted Answer

A)  an ultrasound 
B)  an amniocentesis 
C)  an alpha-fetoprotein assay 
D)  chorionic villus sampling 
A)  an ultrasound 
B)  an amniocentesis 
C)  an alpha-fetoprotein assay 
D)  chorionic villus sampling

Question 17

What substance was once used to treat insomnia and nausea but caused major birth defects?

Accepted Answer

A)  DES 
B)  hormones 
C)  antibiotics 
D)  thalidomide 
A)  DES 
B)  hormones 
C)  antibiotics 
D)  thalidomide

Question 18

Which of the following is a defining characteristic of monozygotic twins?

Accepted Answer

A)  They share 50% of their genetic material. 
B)  They are as different as non-twin siblings. 
C)  They will look very similar in physical appearance. 
D)  They are formed from two eggs but are fertilized by the same sperm. 
A)  They share 50% of their genetic material. 
B)  They are as different as non-twin siblings. 
C)  They will look very similar in physical appearance. 
D)  They are formed from two eggs but are fertilized by the same sperm.

Question 19

Approximately how many sperm cells are contained in a single ejaculate?

Accepted Answer

A)  50 million 
B)  100 million 
C)  150 million 
D)  300 million 
A)  50 million 
B)  100 million 
C)  150 million 
D)  300 million

Question 20

During which stage of prenatal development does the developing organism gain the most weight and length?

Accepted Answer

A)  the fetal stage 
B)  the germinal stage 
C)  the embryonic stage 
D)  the diaphragmatic stage 
A)  the fetal stage 
B)  the germinal stage 
C)  the embryonic stage 
D)  the diaphragmatic stage

What is the cause of cystic fibrosis?

The major organ systems differentiate during the embryonic period of development.

What is the definition of heredity?

What branch of science includes the study of genetics?

Why are sex-linked diseases more likely to affect sons of female carriers?

What does CVS stand for?

Queen Victoria was a carrier of which of the following?

How is HIV/AIDS transmitted in pregnant women?

Only 1 in 1,000 sperm will arrive in the vicinity of an ovum.Which of the following factors does NOT prevent sperm cells from travelling the entire distance to the egg?

Of the 23 pairs of chromosomes, 22 pairs look alike and possess genetic information concerning the same traits.What term refers to these 22 pairs of chromosomes?

What is the function of genes?

MATCHING -Testosterone

During the fetal period of prenatal development, the fetus responds to light and sounds.

John thinks his neighbour's child has Down syndrome.His wife looks closely at the child's face and shakes her head.What facial characteristic did Mary notice that suggests the child does NOT have Down syndrome?

According to the Huntington Society of Canada, what is the prevalence of Huntington disease (HD) in Canada?

Which procedure poses the least risk to the fetus?

What substance was once used to treat insomnia and nausea but caused major birth defects?

Which of the following is a defining characteristic of monozygotic twins?

Approximately how many sperm cells are contained in a single ejaculate?

During which stage of prenatal development does the developing organism gain the most weight and length?

History, Theories, and Methods

Birth and the Newborn Baby: in the New World

Infancy: Physical Development

Infancy: Cognitive Development

Infancy: Social and Emotional Development

Early Childhood: Physical and Cognitive Development

Early Childhood: Social and Emotional Development

Middle Childhood: Physical and Cognitive Development

Middle Childhood: Social and Emotional Development

Adolescence: Physical and Cognitive Development

Adolescence: Social and Emotional Development

Early Adulthood: Physical and Cognitive Development

Early Adulthood: Social and Emotional Development

Middle Adulthood: Physical and Cognitive Development

Middle Adulthood: Social and Emotional Development

Late Adulthood: Physical and Cognitive Development

Late Adulthood: Social and Emotional Development

Life's

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Exam 2: Heredity and Prenatal Development

What is the cause of cystic fibrosis?

The major organ systems differentiate during the embryonic period of development.

What is the definition of heredity?

What branch of science includes the study of genetics?

Why are sex-linked diseases more likely to affect sons of female carriers?

What does CVS stand for?

Queen Victoria was a carrier of which of the following?

How is HIV/AIDS transmitted in pregnant women?

Only 1 in 1,000 sperm will arrive in the vicinity of an ovum.Which of the following factors does NOT prevent sperm cells from travelling the entire distance to the egg?

Of the 23 pairs of chromosomes, 22 pairs look alike and possess genetic information concerning the same traits.What term refers to these 22 pairs of chromosomes?

What is the function of genes?

MATCHING -Testosterone

During the fetal period of prenatal development, the fetus responds to light and sounds.

John thinks his neighbour's child has Down syndrome.His wife looks closely at the child's face and shakes her head.What facial characteristic did Mary notice that suggests the child does NOT have Down syndrome?

According to the Huntington Society of Canada, what is the prevalence of Huntington disease (HD) in Canada?

Which procedure poses the least risk to the fetus?

What substance was once used to treat insomnia and nausea but caused major birth defects?

Which of the following is a defining characteristic of monozygotic twins?

Approximately how many sperm cells are contained in a single ejaculate?

During which stage of prenatal development does the developing organism gain the most weight and length?

History, Theories, and Methods

Birth and the Newborn Baby: in the New World

Infancy: Physical Development

Infancy: Cognitive Development

Infancy: Social and Emotional Development

Early Childhood: Physical and Cognitive Development

Early Childhood: Social and Emotional Development

Middle Childhood: Physical and Cognitive Development

Middle Childhood: Social and Emotional Development

Adolescence: Physical and Cognitive Development

Adolescence: Social and Emotional Development

Early Adulthood: Physical and Cognitive Development

Early Adulthood: Social and Emotional Development

Middle Adulthood: Physical and Cognitive Development

Middle Adulthood: Social and Emotional Development

Late Adulthood: Physical and Cognitive Development

Late Adulthood: Social and Emotional Development

Life's

Filters