Human Anatomy & Physiology, 8e (Marieb/Hoehn)
Chapter 29 Heredity
Matching Questions
Match the following:
A) Homozygous
B) Sex chromosomes
C) Genotype
D) Recessive
1) Actual genetic makeup.
Diff: 1 Page Ref: 1103
2) A chromosome pair that may be very different in size.
Diff: 1 Page Ref: 1102
3) Genes not expressed unless they are present in homozygous condition.
Diff: 1 Page Ref: 1103
4) Situation in which an individual has identical alleles for a particular trait.
Diff: 2 Page Ref: 1103
Answers: 1) C 2) B 3) D 4) A
1
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,Match the following:
A) Tay-Sachs disease
B) Huntington's disease
C) Achondroplasia
D) Cystic fibrosis
E) Albinism
5) Lack of skin pigmentation.
Diff: 1 Page Ref: 1106
6) Rare type of dwarfism resulting from an impaired ability of the fetus to form cartilage bone.
Diff: 2 Page Ref: 1106
7) An unremitting, fatal nervous system disease involving degeneration of the basal nuclei.
Diff: 2 Page Ref: 1106
8) A condition of excessive mucus production.
Diff: 2 Page Ref: 1106
9) A disorder of brain lipid metabolism.
Diff: 2 Page Ref: 1106
Answers: 5) E 6) C 7) B 8) D 9) A
Match the following:
A) Heterozygous
B) Autosomes
C) Allele
D) Dominant
10) Genes for the same trait that have different expressions.
Diff: 1 Page Ref: 1102
11) The gene allele that suppresses or masks the expression of the other allele.
Diff: 1 Page Ref: 1103
12) Situation in which an individual has different alleles making up the genotype for a particular
trait.
Diff: 2 Page Ref: 1103
13) Chromosomes regulating most body characteristics.
Diff: 2 Page Ref: 1102
Answers: 10) C 11) D 12) A 13) B
2
Copyright © 2010 Pearson Education, Inc.
, Match the following:
A) Sex-linked inheritance
B) Dominant-recessive inheritance
C) Polygenic inheritance
D) Incomplete dominance
E) Multiple-allele inheritance
14) The dominant gene is expressed when present; the recessive gene is expressed only in the
absence of the dominant gene.
Diff: 1 Page Ref: 1105
15) The heterozygote has a phenotype intermediate between those of the homozygous dominant
and homozygous recessive.
Diff: 1 Page Ref: 1106
16) Inheritance of the ABO blood group type is an example of this type of inheritance.
Diff: 1 Page Ref: 1106
17) Inheritance that results in continuous or qualitative phenotypic variations between two
extremes; an example is skin color.
Diff: 1 Page Ref: 1107
18) Inherited traits determined by genes on the sex chromosomes.
Diff: 1 Page Ref: 1107
Answers: 14) B 15) D 16) E 17) C 18) A
True/False Questions
1) When two genes are on the same chromosome, they are considered linked.
Answer: TRUE
Diff: 1 Page Ref: 1104
2) The X chromosome is considerably larger than the Y chromosome.
Answer: TRUE
Diff: 1 Page Ref: 1107
3) The expression of all physical traits is strictly due to the inheritance of specific genes.
Answer: FALSE
Diff: 2 Page Ref: 1106
4) Some segments of the Y chromosome have no counterpart on the X chromosome.
Answer: TRUE
Diff: 1 Page Ref: 1107
3
Copyright © 2010 Pearson Education, Inc.
Chapter 29 Heredity
Matching Questions
Match the following:
A) Homozygous
B) Sex chromosomes
C) Genotype
D) Recessive
1) Actual genetic makeup.
Diff: 1 Page Ref: 1103
2) A chromosome pair that may be very different in size.
Diff: 1 Page Ref: 1102
3) Genes not expressed unless they are present in homozygous condition.
Diff: 1 Page Ref: 1103
4) Situation in which an individual has identical alleles for a particular trait.
Diff: 2 Page Ref: 1103
Answers: 1) C 2) B 3) D 4) A
1
Copyright © 2010 Pearson Education, Inc.
,Match the following:
A) Tay-Sachs disease
B) Huntington's disease
C) Achondroplasia
D) Cystic fibrosis
E) Albinism
5) Lack of skin pigmentation.
Diff: 1 Page Ref: 1106
6) Rare type of dwarfism resulting from an impaired ability of the fetus to form cartilage bone.
Diff: 2 Page Ref: 1106
7) An unremitting, fatal nervous system disease involving degeneration of the basal nuclei.
Diff: 2 Page Ref: 1106
8) A condition of excessive mucus production.
Diff: 2 Page Ref: 1106
9) A disorder of brain lipid metabolism.
Diff: 2 Page Ref: 1106
Answers: 5) E 6) C 7) B 8) D 9) A
Match the following:
A) Heterozygous
B) Autosomes
C) Allele
D) Dominant
10) Genes for the same trait that have different expressions.
Diff: 1 Page Ref: 1102
11) The gene allele that suppresses or masks the expression of the other allele.
Diff: 1 Page Ref: 1103
12) Situation in which an individual has different alleles making up the genotype for a particular
trait.
Diff: 2 Page Ref: 1103
13) Chromosomes regulating most body characteristics.
Diff: 2 Page Ref: 1102
Answers: 10) C 11) D 12) A 13) B
2
Copyright © 2010 Pearson Education, Inc.
, Match the following:
A) Sex-linked inheritance
B) Dominant-recessive inheritance
C) Polygenic inheritance
D) Incomplete dominance
E) Multiple-allele inheritance
14) The dominant gene is expressed when present; the recessive gene is expressed only in the
absence of the dominant gene.
Diff: 1 Page Ref: 1105
15) The heterozygote has a phenotype intermediate between those of the homozygous dominant
and homozygous recessive.
Diff: 1 Page Ref: 1106
16) Inheritance of the ABO blood group type is an example of this type of inheritance.
Diff: 1 Page Ref: 1106
17) Inheritance that results in continuous or qualitative phenotypic variations between two
extremes; an example is skin color.
Diff: 1 Page Ref: 1107
18) Inherited traits determined by genes on the sex chromosomes.
Diff: 1 Page Ref: 1107
Answers: 14) B 15) D 16) E 17) C 18) A
True/False Questions
1) When two genes are on the same chromosome, they are considered linked.
Answer: TRUE
Diff: 1 Page Ref: 1104
2) The X chromosome is considerably larger than the Y chromosome.
Answer: TRUE
Diff: 1 Page Ref: 1107
3) The expression of all physical traits is strictly due to the inheritance of specific genes.
Answer: FALSE
Diff: 2 Page Ref: 1106
4) Some segments of the Y chromosome have no counterpart on the X chromosome.
Answer: TRUE
Diff: 1 Page Ref: 1107
3
Copyright © 2010 Pearson Education, Inc.
