Question 1

Some traits,such as blood type,are transmitted by a single pair of genes.Other traits are determined by combinations of pairs of genes.These traits are called

Accepted Answer

A)   monogenic.
B)   polygenic.
C)   multigenic.
D)   recessive. B

Question 2

Because Sebastian lacks access to healthy food,he may not grow to be as tall as he could.However,if healthy food becomes available,his body may "snap back into its genetically determined path." What is the term used to describe this process?

Accepted Answer

A)   Canalization
B)   Invariant development
C)   Chromosomalization
D)   Genotype expression

Question 3

If a child receives a dominant allele for brown hair from one parent and a recessive allele for blonde hair from the other,what do we know?

Accepted Answer

A)   The child will have blonde hair
B)   We cannot predict the potential hair color of the child based upon this information
C)   The child will have brown hair
D)   The child will be female

Question 4

A couple is deciding whether or not to try and conceive a child.They meet with a health professional who asks them questions regarding their genetic heritage in order to explore whether their child might develop genetic abnormalities.This process is called

Accepted Answer

A)   prenatal testing.
B)   genetic counseling.
C)   chorionic villus sampling.
D)   adoption counseling.

Question 5

Pelvic inflammatory disease (PID)can result from a variety of bacterial or viral infections.

Accepted Answer

A) True 
 B)False

Question 6

The following can cause infertility problems in men:

Accepted Answer

A)   excess protein in the diet.
B)   lack of exercise.
C)   sexually transmitted infections (STIs) .
D)   excessive masturbation. C

Question 7

It is estimated that the ratio of boys to girls in China is approximately 120 to 100.Why are there so many more boys than girls in China?

Accepted Answer

A)   Better genetic counseling
B)   An increase in the use of fertility drugs
C)   Higher rates of adopting boys than girls
D)   Selective abortion of female fetuses

Question 8

MATCHING
Match the following:
-Evocative genotype-environmental correlation

Accepted Answer

A)  takes the form of a double helix
B)  person who carries and transmits characteristics but does not express them
C)  correlation between child's genetic endowment and responses elicited from others
D)  the genetic material received from parents
E)  caused by a recessive geneF) polygenically determinedG) female sex hormoneH) neural tube defectI) twins produced from a single eggJ) cell division that results in non-identical cellsK) union of an ovum and a sperm cellL) samples the membrane enveloping amniotic sac and fetusM) associated with the 21st pair of chromosomesN) how genetic material manifests itself in characteristicsO) twins produced from two eggsP) XXY sex chromosomal patternQ) determined by the fatherR) both alleles for a trait differS) caused by a dominant geneT) self-propulsion

Question 9

Mothers who give up their children for adoption often experience guilt,feelings of loss,and curiosity about how their child is developing and adjusting.

Accepted Answer

A) True 
 B)False

Question 10

Briefly describe the difference(s)between "recessive" and "dominant" genes.

Accepted Answer

Some genes are "dominant" and others are...

Question 11

Our inherited traits can vary in expression given our unique environments.This is referred to as

Accepted Answer

A)   reaction range.
B)   phenotype.
C)   genotype.
D)   "averaging" of genetic instructions carried by one's parents.

Question 12

The primary purpose of genetic counseling is to

Accepted Answer

A)   advise couples to abort unborn children.
B)   prove that a child will develop a certain illness.
C)   assist would-be parents in making procreation decisions.
D)   outline the genetic risks of unprotected sex.

Question 13

Scientists took genetic material from one sheep to clone Dolly,making her genetically identical to the other sheep from which she was cloned.Cloning utilizes the process of

Accepted Answer

A)   mitosis.
B)   chromosomal replacement.
C)   autosome reproduction.
D)   meiosis.

Question 14

In DNA,the sides of the ladder consist of alternating segments of phosphate and

Accepted Answer

A)   adenine.
B)   thymine.
C)   cytosine.
D)   simple sugar.

Question 15

The following is caused by a single pair of genes

Accepted Answer

A)   cystic fibrosis.
B)   Down syndrome.
C)   sex-linked chromosomal abnormalities.
D)   All of these

Question 16

People who bear one dominant and one recessive gene for a trait are

Accepted Answer

A)   going to automatically pass that characteristic on to their offspring.
B)   definitely going to develop that characteristic.
C)   called "carriers" of the recessive gene.
D)   not going to pass that characteristic on to their offspring.

Question 17

MATCHING
Match the following:
-Estrogen

Accepted Answer

A)  takes the form of a double helix
B)  person who carries and transmits characteristics but does not express them
C)  correlation between child's genetic endowment and responses elicited from others
D)  the genetic material received from parents
E)  caused by a recessive geneF) polygenically determinedG) female sex hormoneH) neural tube defectI) twins produced from a single eggJ) cell division that results in non-identical cellsK) union of an ovum and a sperm cellL) samples the membrane enveloping amniotic sac and fetusM) associated with the 21st pair of chromosomesN) how genetic material manifests itself in characteristicsO) twins produced from two eggsP) XXY sex chromosomal patternQ) determined by the fatherR) both alleles for a trait differS) caused by a dominant geneT) self-propulsion

Question 18

Before meiosis,the sperm cell,

Accepted Answer

A)   contains 46 chromosomes.
B)   is significantly larger than the egg cell.
C)   contains two X chromosomes.
D)   is more likely to conceive a girl than a boy. A

Question 19

MATCHING
Match the following:
-Genotype

Accepted Answer

A)  takes the form of a double helix
B)  person who carries and transmits characteristics but does not express them
C)  correlation between child's genetic endowment and responses elicited from others
D)  the genetic material received from parents
E)  caused by a recessive geneF) polygenically determinedG) female sex hormoneH) neural tube defectI) twins produced from a single eggJ) cell division that results in non-identical cellsK) union of an ovum and a sperm cellL) samples the membrane enveloping amniotic sac and fetusM) associated with the 21st pair of chromosomesN) how genetic material manifests itself in characteristicsO) twins produced from two eggsP) XXY sex chromosomal patternQ) determined by the fatherR) both alleles for a trait differS) caused by a dominant geneT) self-propulsion

Question 20

MATCHING
Match the following:
-PKU

Accepted Answer

A)  takes the form of a double helix
B)  person who carries and transmits characteristics but does not express them
C)  correlation between child's genetic endowment and responses elicited from others
D)  the genetic material received from parents
E)  caused by a recessive geneF) polygenically determinedG) female sex hormoneH) neural tube defectI) twins produced from a single eggJ) cell division that results in non-identical cellsK) union of an ovum and a sperm cellL) samples the membrane enveloping amniotic sac and fetusM) associated with the 21st pair of chromosomesN) how genetic material manifests itself in characteristicsO) twins produced from two eggsP) XXY sex chromosomal patternQ) determined by the fatherR) both alleles for a trait differS) caused by a dominant geneT) self-propulsion

Exam 2: Heredity and Conception

Some traits,such as blood type,are transmitted by a single pair of genes.Other traits are determined by combinations of pairs of genes.These traits are called

Correct AnswerverifiedB

Because Sebastian lacks access to healthy food,he may not grow to be as tall as he could.However,if healthy food becomes available,his body may "snap back into its genetically determined path." What is the term used to describe this process?

Correct AnswerverifiedShow Answer

If a child receives a dominant allele for brown hair from one parent and a recessive allele for blonde hair from the other,what do we know?

Correct AnswerverifiedShow Answer

A couple is deciding whether or not to try and conceive a child.They meet with a health professional who asks them questions regarding their genetic heritage in order to explore whether their child might develop genetic abnormalities.This process is called

Correct AnswerverifiedShow Answer

Pelvic inflammatory disease (PID)can result from a variety of bacterial or viral infections.

Correct AnswerverifiedShow Answer

The following can cause infertility problems in men:

Correct AnswerverifiedC

It is estimated that the ratio of boys to girls in China is approximately 120 to 100.Why are there so many more boys than girls in China?

Correct AnswerverifiedShow Answer

MATCHING Match the following: -Evocative genotype-environmental correlation

Correct AnswerverifiedShow Answer

Mothers who give up their children for adoption often experience guilt,feelings of loss,and curiosity about how their child is developing and adjusting.

Correct AnswerverifiedShow Answer

Briefly describe the difference(s)between "recessive" and "dominant" genes.

Correct AnswerverifiedSome genes are "dominant" and others are...View AnswerShow Answer

Our inherited traits can vary in expression given our unique environments.This is referred to as

Correct AnswerverifiedShow Answer

The primary purpose of genetic counseling is to

Correct AnswerverifiedShow Answer

Scientists took genetic material from one sheep to clone Dolly,making her genetically identical to the other sheep from which she was cloned.Cloning utilizes the process of

Correct AnswerverifiedShow Answer

In DNA,the sides of the ladder consist of alternating segments of phosphate and

Correct AnswerverifiedShow Answer

The following is caused by a single pair of genes

Correct AnswerverifiedShow Answer

People who bear one dominant and one recessive gene for a trait are

Correct AnswerverifiedShow Answer

MATCHING Match the following: -Estrogen

Correct AnswerverifiedShow Answer

Before meiosis,the sperm cell,

Correct AnswerverifiedA

MATCHING Match the following: -Genotype

Correct AnswerverifiedShow Answer

MATCHING Match the following: -PKU

Correct AnswerverifiedShow Answer

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C

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Some genes are "dominant" and others are...
View Answer

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A

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