Question 1

Choose the most appropriate answer for each.​
-trisomy

Accepted Answer

A) ​3n; generally sterile 
B) ​a chromosome segment is permanently transferred to a nonhomologous chromosome 
C) ​(2n - 1); a zygote deprived of a chromosome 
D) ​a repeat of a particular DNA sequence in the same chromosome or in nonhomologous ones 
E) ​(2n + 1); three chromosomes of the same kind are present in a set of chromosomes
F)​a piece of the chromosome is inadvertently left out during the repair process
G)​encodes a transport protein in melanosome membranes
H)​a chromosome segment that has been cut out and rejoined at the same place, but backward 
A) ​3n; generally sterile 
B) ​a chromosome segment is permanently transferred to a nonhomologous chromosome 
C) ​(2n - 1); a zygote deprived of a chromosome 
D) ​a repeat of a particular DNA sequence in the same chromosome or in nonhomologous ones 
E) ​(2n + 1); three chromosomes of the same kind are present in a set of chromosomes
F)​a piece of the chromosome is inadvertently left out during the repair process
G)​encodes a transport protein in melanosome membranes
H)​a chromosome segment that has been cut out and rejoined at the same place, but backward

Question 2

Polyploidy can be described as ____.

Accepted Answer

A)  ​only occurring artificially 
B)  ​only occurring when there is one set of chromosomes 
C)  ​fatal to all living things 
D)  ​occurring in about 20% of flowering plants 
E)  ​fatal in humans but common in flowering plants 
A)  ​only occurring artificially 
B)  ​only occurring when there is one set of chromosomes 
C)  ​fatal to all living things 
D)  ​occurring in about 20% of flowering plants 
E)  ​fatal in humans but common in flowering plants

Question 3

PKU detection includes​

Accepted Answer

A)  ​prenatal karyotyping. 
B)  ​urine analysis at puberty. 
C)  ​blood tests at puberty. 
D)  ​saliva tests. 
E)  ​urine analysis and blood tests at birth. 
A)  ​prenatal karyotyping. 
B)  ​urine analysis at puberty. 
C)  ​blood tests at puberty. 
D)  ​saliva tests. 
E)  ​urine analysis and blood tests at birth.

Question 4

Which nondisjunction disorder must be due to an event in sperm development: XO, XXX, XXY or XYY?

Accepted Answer

Only XYY would definitely be due to sper

Question 5

Select the best process listed below for each of the following statements. Note that you need to know that the sequence of amino acids directly reflects the sequence of genes that coded for their placement.​
-Homologous sets of genes ABCDEF and ABCDEF are located on nonhomologous chromosomes.

Accepted Answer

A) ​inversion 
B) ​deletion 
C) ​gene duplication 
D) ​translocation 
E) ​addition 
A) ​inversion 
B) ​deletion 
C) ​gene duplication 
D) ​translocation 
E) ​addition

Question 6

Some conditions like progeria do not run in families despite being autosomal dominant. How is this possible?

Accepted Answer

If the autosomal dominant trait is eithe

Question 7

Select the disorder that best matches each the following statements.​
-This disorder is an autosomal dominant disorder.

Accepted Answer

A) ​galactosemia 
B) ​Turner syndrome 
C) progeria 
D) ​hemophilia A 
E) ​Down syndrome 
A) ​galactosemia 
B) ​Turner syndrome 
C) progeria 
D) ​hemophilia A 
E) ​Down syndrome

Question 8

__________ is a diagnostic tool that reveals missing or extra chromosomes and some structural changes in an individual's chromosomes.

Accepted Answer

The answer of __________ is a diagnostic tool that reveals...

Question 9

Changes in chromosome number are usually the result of​

Accepted Answer

A)  ​genetic displacement. 
B)  ​trisomy. 
C)  ​crossing over. 
D)  ​nondisjunction. 
E)  ​disjunction. 
A)  ​genetic displacement. 
B)  ​trisomy. 
C)  ​crossing over. 
D)  ​nondisjunction. 
E)  ​disjunction.

Question 10

Color blindness is an X-linked recessive gene. Two normal-vision parents produce a color-blind child.
(a)Is this child male or female?
(b)What are the genotypes of the parents?
(c)What are the chances that their next child will be a color-blind daughter?

Accepted Answer

(a) Male
(b) Cc ' CY

Question 11

Match the cause with the disorder.​
-galactosemia

Accepted Answer

A) ​autosomal recessive inheritance; lactose metabolism is blocked 
B) ​nondisjunction of the twenty-first chromosomal pair 
C) ​X-linked recessive inheritance 
D) ​nondisjunction of the sex chromosomes 
A) ​autosomal recessive inheritance; lactose metabolism is blocked 
B) ​nondisjunction of the twenty-first chromosomal pair 
C) ​X-linked recessive inheritance 
D) ​nondisjunction of the sex chromosomes

Question 12

Symptoms of phenylketonuria (PKU) may be minimized or suppressed by a diet low in

Accepted Answer

A)  ​serine. 
B)  glycine. 
C)  ​phenylalanine. 
D)  ​proline. 
E)  ​glutamic acid. 
A)  ​serine. 
B)  glycine. 
C)  ​phenylalanine. 
D)  ​proline. 
E)  ​glutamic acid.

Question 13

Hemophilia is caused by an X-linked recessive gene. A normal woman whose father had hemophilia marries a normal man. What are the chances of hemophilia in their children?​

Accepted Answer

All females normal but 1/2 of

Question 14

A human X-linked disorder is

Accepted Answer

A)  ​found only in males. 
B)  ​more frequently expressed in females. 
C)  ​found on the Y chromosome. 
D)  ​transmitted from father to son. 
E)  ​more frequently expressed in males. 
A)  ​found only in males. 
B)  ​more frequently expressed in females. 
C)  ​found on the Y chromosome. 
D)  ​transmitted from father to son. 
E)  ​more frequently expressed in males.

Question 15

Answer the following questions in reference to the five items listed below.​
-How many chromosomes does each somatic cell have in a human male who has two X chromosomes?

Accepted Answer

A) ​12 
B) ​23 
C) ​24 
D) ​46 
E) ​47 
A) ​12 
B) ​23 
C) ​24 
D) ​46 
E) ​47

Question 16

Select the disorder that best matches each the following statements.​
-This disorder is an autosomal recessive disorder.

Accepted Answer

A) ​galactosemia 
B) ​Turner syndrome 
C) progeria 
D) ​hemophilia A 
E) ​Down syndrome 
A) ​galactosemia 
B) ​Turner syndrome 
C) progeria 
D) ​hemophilia A 
E) ​Down syndrome

Question 17

Choose the most appropriate answer for each.​
-​translocation

Accepted Answer

A) ​3n; generally sterile 
B) ​a chromosome segment is permanently transferred to a nonhomologous chromosome 
C) ​(2n - 1); a zygote deprived of a chromosome 
D) ​a repeat of a particular DNA sequence in the same chromosome or in nonhomologous ones 
E) ​(2n + 1); three chromosomes of the same kind are present in a set of chromosomes
F)​a piece of the chromosome is inadvertently left out during the repair process
G)​encodes a transport protein in melanosome membranes
H)​a chromosome segment that has been cut out and rejoined at the same place, but backward 
A) ​3n; generally sterile 
B) ​a chromosome segment is permanently transferred to a nonhomologous chromosome 
C) ​(2n - 1); a zygote deprived of a chromosome 
D) ​a repeat of a particular DNA sequence in the same chromosome or in nonhomologous ones 
E) ​(2n + 1); three chromosomes of the same kind are present in a set of chromosomes
F)​a piece of the chromosome is inadvertently left out during the repair process
G)​encodes a transport protein in melanosome membranes
H)​a chromosome segment that has been cut out and rejoined at the same place, but backward

Question 18

If a father and a son are both color blind and the mother is normal, is it likely that the son inherited color blindness from his father?

Accepted Answer

No, males inherit al

Question 19

Down syndrome involves trisomy ____.

Accepted Answer

A)  ​3 
B)  ​5 
C)  ​15 
D)  ​19 
E)  ​21 
A)  ​3 
B)  ​5 
C)  ​15 
D)  ​19 
E)  ​21

Question 20

Answer the following questions in reference to the five items listed below.​
-How many chromosomes are present in the somatic cells of a child born with Down syndrome (trisomy 21)?

Accepted Answer

A) ​12 
B) ​23 
C) ​24 
D) ​46 
E) ​47 
A) ​12 
B) ​23 
C) ​24 
D) ​46 
E) ​47

Exam 14: Chromosomes and Human Inheritance

Choose the most appropriate answer for each.​ -trisomy

Polyploidy can be described as ____.

PKU detection includes​

Which nondisjunction disorder must be due to an event in sperm development: XO, XXX, XXY or XYY?

Select the best process listed below for each of the following statements. Note that you need to know that the sequence of amino acids directly reflects the sequence of genes that coded for their placement.​ -Homologous sets of genes ABCDEF and ABCDEF are located on nonhomologous chromosomes.

Some conditions like progeria do not run in families despite being autosomal dominant. How is this possible?

Select the disorder that best matches each the following statements.​ -This disorder is an autosomal dominant disorder.

__________ is a diagnostic tool that reveals missing or extra chromosomes and some structural changes in an individual's chromosomes.

Changes in chromosome number are usually the result of​

Color blindness is an X-linked recessive gene. Two normal-vision parents produce a color-blind child. (a)Is this child male or female? (b)What are the genotypes of the parents? (c)What are the chances that their next child will be a color-blind daughter?

Match the cause with the disorder.​ -galactosemia

Symptoms of phenylketonuria (PKU) may be minimized or suppressed by a diet low in

Hemophilia is caused by an X-linked recessive gene. A normal woman whose father had hemophilia marries a normal man. What are the chances of hemophilia in their children?​

A human X-linked disorder is

Answer the following questions in reference to the five items listed below.​ -How many chromosomes does each somatic cell have in a human male who has two X chromosomes?

Select the disorder that best matches each the following statements.​ -This disorder is an autosomal recessive disorder.

Choose the most appropriate answer for each.​ -​translocation

If a father and a son are both color blind and the mother is normal, is it likely that the son inherited color blindness from his father?

Down syndrome involves trisomy ____.

Answer the following questions in reference to the five items listed below.​ -How many chromosomes are present in the somatic cells of a child born with Down syndrome (trisomy 21)?

Invitation to Biology

Lifes Chemical Basis

Molecules of Life

Cell Structure and Function

Ground Rules of Metabolism

Where It Starts - Photosynthesis

How Cells Release Chemical Energy

Dna Structure and Function

From Dna to Protein

Gene Control

How Cells Reproduce

Meiosis and Sexual Reproduction

Observing Patterns in Inherited Traits

Studying and Manipulating Genomes

Evidence of Evolution

Processes of Evolution

Organizating Information About Species

Lifes Origin and Early Evolution

Viruses - Bacteria - and Archaea

Protists - the Simplest Eukaryotes

The Land Plants

Fungi

Animal Evolution - the Invertibrates

Animal Evolution - the Chordates

Human Evolution

Plant Tissues

Plant Nutrition and Transport

Life Cycles of Flowering Plants

Communication Strategies in Plants

Animal Tissues

Neural Control

Sensory Perception

Endocrine Control

Structural Support and Movement

Circulation

Immunity

Respiration

Digestion and Nutrition

Maintaining the Internal Environment

Animal Reproductive Systems

Animal Development

Animal Behavior

Filters

Choose the most appropriate answer for each. -trisomy

PKU detection includes

Select the best process listed below for each of the following statements. Note that you need to know that the sequence of amino acids directly reflects the sequence of genes that coded for their placement. -Homologous sets of genes ABCDEF and ABCDEF are located on nonhomologous chromosomes.

Select the disorder that best matches each the following statements. -This disorder is an autosomal dominant disorder.

Changes in chromosome number are usually the result of

Match the cause with the disorder. -galactosemia

Hemophilia is caused by an X-linked recessive gene. A normal woman whose father had hemophilia marries a normal man. What are the chances of hemophilia in their children?

Answer the following questions in reference to the five items listed below. -How many chromosomes does each somatic cell have in a human male who has two X chromosomes?

Select the disorder that best matches each the following statements. -This disorder is an autosomal recessive disorder.

Choose the most appropriate answer for each. -translocation

Answer the following questions in reference to the five items listed below. -How many chromosomes are present in the somatic cells of a child born with Down syndrome (trisomy 21)?