Question 1

When two alleles for a particular characteristic match, the person is called heterozygous for that characteristic.

Accepted Answer

A) True 
 B)False

Question 2

Cell duplication that results in two identical and complete cells is known as meiosis.

Accepted Answer

A) True 
 B)False

Question 3

A genetic disorder that causes damage to the central nervous system if not controlled by special dietary measures is known as:

Accepted Answer

A)  phenylketonuria (PKU). 
B)  sickle cell anemia. 
C)  Fragile X Syndrome. 
D)  Down Syndrome. 
A)  phenylketonuria (PKU). 
B)  sickle cell anemia. 
C)  Fragile X Syndrome. 
D)  Down Syndrome.

Question 4

If the conception is going to develop into identical twins the cells will separate into two groups when they are still considered a:

Accepted Answer

A)  blastocyst. 
B)  embryo. 
C)  fetus. 
D)  zygote. 
A)  blastocyst. 
B)  embryo. 
C)  fetus. 
D)  zygote.

Question 5

Each cell contains:

Accepted Answer

A)  23 chromosomes. 
B)  23 pairs of chromosomes. 
C)  46 pairs of chromosomes. 
D)  thousands of chromosomes. 
A)  23 chromosomes. 
B)  23 pairs of chromosomes. 
C)  46 pairs of chromosomes. 
D)  thousands of chromosomes.

Question 6

Compared to other chromosomes, the Y chromosome is:

Accepted Answer

A)  longer. 
B)  shorter. 
C)  more fragile. 
D)  less fragile. 
A)  longer. 
B)  shorter. 
C)  more fragile. 
D)  less fragile.

Question 7

What percentage of pregnant women report using tobacco?

Accepted Answer

A)  5% 
B)  11% 
C)  18% 
D)  29% 
A)  5% 
B)  11% 
C)  18% 
D)  29%

Question 8

The age of a zygote, embryo, or fetus, usually calculated in weeks after conception, is known as:

Accepted Answer

A)  functional age. 
B)  gestational age. 
C)  prenatal age. 
D)  conception age. 
A)  functional age. 
B)  gestational age. 
C)  prenatal age. 
D)  conception age.

Question 9

A trait in which both alleles influence the expression of the trait is known as:

Accepted Answer

A)  dominant recessive. 
B)  X-linked inheritance 
C)  biallele. 
D)  codominance. 
A)  dominant recessive. 
B)  X-linked inheritance 
C)  biallele. 
D)  codominance.

Question 10

A group of 20,000 to 25,000 genes, arranged in a long string, is known as a:

Accepted Answer

A)  chromosome. 
B)  gene. 
C)  deoxyribonucleic acid. 
D)  mitosis. 
A)  chromosome. 
B)  gene. 
C)  deoxyribonucleic acid. 
D)  mitosis.

Question 11

One of the first tests that a pregnant woman may have to measure the baby's size and position is known as:

Accepted Answer

A)  amniocentesis. 
B)  ultrosound. 
C)  chorionic villus sampling. 
D)  nuchal translucency. 
A)  amniocentesis. 
B)  ultrosound. 
C)  chorionic villus sampling. 
D)  nuchal translucency.

Question 12

Mother's exposure to secondhand smoke has harmful effects on her fetus.

Accepted Answer

A) True 
 B)False

Question 13

Men create sperm in their testes:

Accepted Answer

A)  every day. 
B)  every week. 
C)  every month. 
D)  during the prenatal period, and not after birth. 
A)  every day. 
B)  every week. 
C)  every month. 
D)  during the prenatal period, and not after birth.

Question 14

Prenatal exposure to alcohol that impacts cognitive function but physical appearance is known as:

Accepted Answer

A)  Fetal Alcohol Syndrome. 
B)  Fetal Alcohol Effects. 
C)  Alcohol-Related Neurodevelopmental Disorder. 
D)  Alcohol-Related Birth Defects. 
A)  Fetal Alcohol Syndrome. 
B)  Fetal Alcohol Effects. 
C)  Alcohol-Related Neurodevelopmental Disorder. 
D)  Alcohol-Related Birth Defects.

Question 15

The first step in mitosis is DNA replication.

Accepted Answer

A) True 
 B)False

Question 16

Which harmful substance use is most common in pregnant women?

Accepted Answer

A)  illicit drug use 
B)  any alcohol use 
C)  heavy alcohol use 
D)  cigarette use 
A)  illicit drug use 
B)  any alcohol use 
C)  heavy alcohol use 
D)  cigarette use

Question 17

The sticky white cheesy covering over the skin of the fetus, which is thought to protect the skin that is exposed for many weeks to amniotic fluid is known as:

Accepted Answer

A)  lanugo. 
B)  vernix. 
C)  dendrites. 
D)  axons. 
A)  lanugo. 
B)  vernix. 
C)  dendrites. 
D)  axons.

Question 18

Karen is an older mother and she is concerned with finding out if her child will have Down Syndrome. She wants the least invasive yet early test. What test could her doctor recommend for her?

Accepted Answer

A)  amniocentesis 
B)  chorionic villus sampling 
C)  nuchal translucency 
D)  triple-screen blood test 
A)  amniocentesis 
B)  chorionic villus sampling 
C)  nuchal translucency 
D)  triple-screen blood test

Question 19

Typically, the blastocyst is fully implanted in the uterine wall within:

Accepted Answer

A)  2 days of conception. 
B)  1 week of conception. 
C)  2 weeks of conception. 
D)  hours of conception. 
A)  2 days of conception. 
B)  1 week of conception. 
C)  2 weeks of conception. 
D)  hours of conception.

Question 20

The molecule that contains genetic information is known as:

Accepted Answer

A)  a chromosome. 
B)  a gene. 
C)  deoxyribonucleic acid. 
D)  guanine. 
A)  a chromosome. 
B)  a gene. 
C)  deoxyribonucleic acid. 
D)  guanine.

When two alleles for a particular characteristic match, the person is called heterozygous for that characteristic.

Cell duplication that results in two identical and complete cells is known as meiosis.

A genetic disorder that causes damage to the central nervous system if not controlled by special dietary measures is known as:

If the conception is going to develop into identical twins the cells will separate into two groups when they are still considered a:

Each cell contains:

Compared to other chromosomes, the Y chromosome is:

What percentage of pregnant women report using tobacco?

The age of a zygote, embryo, or fetus, usually calculated in weeks after conception, is known as:

A trait in which both alleles influence the expression of the trait is known as:

A group of 20,000 to 25,000 genes, arranged in a long string, is known as a:

One of the first tests that a pregnant woman may have to measure the baby's size and position is known as:

Mother's exposure to secondhand smoke has harmful effects on her fetus.

Men create sperm in their testes:

Prenatal exposure to alcohol that impacts cognitive function but physical appearance is known as:

The first step in mitosis is DNA replication.

Which harmful substance use is most common in pregnant women?

The sticky white cheesy covering over the skin of the fetus, which is thought to protect the skin that is exposed for many weeks to amniotic fluid is known as:

Karen is an older mother and she is concerned with finding out if her child will have Down Syndrome. She wants the least invasive yet early test. What test could her doctor recommend for her?

Typically, the blastocyst is fully implanted in the uterine wall within:

The molecule that contains genetic information is known as:

Introduction to Child Development Basic Concepts and Issues

Birth and the Newborn

Physical Development

Cognitive and Language Development

Social and Emotional Development

Physical Growth and Health

Cognitive Development

Social and Emotional Development During Earlychildhood Development

Physical Growth and Health in Middle Childhoodgrowth

Cognitive Development During Middle Childhoodpiagets Theory

Social and Emotional Development

Filters

Exam 2: Heredity, Environment, and Prenatal Development

When two alleles for a particular characteristic match, the person is called heterozygous for that characteristic.

Cell duplication that results in two identical and complete cells is known as meiosis.

A genetic disorder that causes damage to the central nervous system if not controlled by special dietary measures is known as:

If the conception is going to develop into identical twins the cells will separate into two groups when they are still considered a:

Each cell contains:

Compared to other chromosomes, the Y chromosome is:

What percentage of pregnant women report using tobacco?

The age of a zygote, embryo, or fetus, usually calculated in weeks after conception, is known as:

A trait in which both alleles influence the expression of the trait is known as:

A group of 20,000 to 25,000 genes, arranged in a long string, is known as a:

One of the first tests that a pregnant woman may have to measure the baby's size and position is known as:

Mother's exposure to secondhand smoke has harmful effects on her fetus.

Men create sperm in their testes:

Prenatal exposure to alcohol that impacts cognitive function but physical appearance is known as:

The first step in mitosis is DNA replication.

Which harmful substance use is most common in pregnant women?

The sticky white cheesy covering over the skin of the fetus, which is thought to protect the skin that is exposed for many weeks to amniotic fluid is known as:

Karen is an older mother and she is concerned with finding out if her child will have Down Syndrome. She wants the least invasive yet early test. What test could her doctor recommend for her?

Typically, the blastocyst is fully implanted in the uterine wall within:

The molecule that contains genetic information is known as:

Introduction to Child Development Basic Concepts and Issues

Birth and the Newborn

Physical Development

Cognitive and Language Development

Social and Emotional Development

Physical Growth and Health

Cognitive Development

Social and Emotional Development During Earlychildhood Development

Physical Growth and Health in Middle Childhoodgrowth

Cognitive Development During Middle Childhoodpiagets Theory

Social and Emotional Development

Filters