Question 1

Nondisjunction that occurs only in meiosis II can result in cells with

Accepted Answer

A)  47 or 45 chromosomes. 
B)  47, 46, or 45 chromosomes. 
C)  24, 23, or 22 chromosomes. 
D)  24 or 22 chromosomes. 
E)  None of the above. 
A)  47 or 45 chromosomes. 
B)  47, 46, or 45 chromosomes. 
C)  24, 23, or 22 chromosomes. 
D)  24 or 22 chromosomes. 
E)  None of the above.

Question 2

You have a patient who needs a lot of blood.The patient is blood type A+.You have the following blood in stock.How many liters of blood can you give the patient before you will have to find other sources of blood? Explain.

Accepted Answer

A person who is A+ can accept A−,A+,O−,a

Question 3

A heart muscle cell of a person with Down syndrome has _____chromosomes.

Accepted Answer

A)  24 
B)  23 
C)  52 
D)  46 
E)  47 
A)  24 
B)  23 
C)  52 
D)  46 
E)  47

Question 4

________ required to masculinize a developing fetus.

Accepted Answer

A)  The Y chromosome is 
B)  The X chromosome is 
C)  All 46 chromosomes are 
D)  The autosomes are 
E)  Chromosomes 12 and 22 are 
A)  The Y chromosome is 
B)  The X chromosome is 
C)  All 46 chromosomes are 
D)  The autosomes are 
E)  Chromosomes 12 and 22 are

Question 5

Which of the following is not an X-linked trait?

Accepted Answer

A)  cystic fibrosis 
B)  color-blindness 
C)  Duchenne muscular dystrophy 
D)  hemophilia 
A)  cystic fibrosis 
B)  color-blindness 
C)  Duchenne muscular dystrophy 
D)  hemophilia

Question 6

Men are frequently told that male-pattern baldness is inherited from their maternal grandfather,not their father.Explain the reasoning behind this statement.

Accepted Answer

Male-pattern baldness is a trait carried

Question 7

The term autosome refers to

Accepted Answer

A)  all chromosomes, including the X and Y. 
B)  all chromosomes, except the X and Y. 
C)  all chromosomes, including the X but not the Y. 
D)  all chromosomes, including the Y but not the X. 
E)  only the X and Y chromosomes. 
A)  all chromosomes, including the X and Y. 
B)  all chromosomes, except the X and Y. 
C)  all chromosomes, including the X but not the Y. 
D)  all chromosomes, including the Y but not the X. 
E)  only the X and Y chromosomes.

Question 8

Hair texture is an example of incomplete dominance.A person who is homozygous dominant HH has curly hair and they mate with a person who has straight hair (homozygous recessive hh).What percentage of their offspring will have straight hair? (Draw a Punnett square to help you figure this out.)

Accepted Answer

A)  0% 
B)  25% 
C)  50% 
D)  75% 
E)  100% 
A)  0% 
B)  25% 
C)  50% 
D)  75% 
E)  100%

Question 9

What is the best genetic marker to use when trying to see if two people are related?

Accepted Answer

A)  STRs on the X chromosome 
B)  STRs on an autosome 
C)  STRs on the Y chromosome, if male relatives are available 
D)  coding regions on the X chromosome 
E)  only one specific gene, but it can be on any chromosome 
A)  STRs on the X chromosome 
B)  STRs on an autosome 
C)  STRs on the Y chromosome, if male relatives are available 
D)  coding regions on the X chromosome 
E)  only one specific gene, but it can be on any chromosome

Question 10

Y chromosome analysis would be LEAST useful for

Accepted Answer

A)  studying familial relationships between females. 
B)  determining the relatives of Moses. 
C)  tracing the descendants of Genghis Khan. 
D)  deciding paternity. 
E)  studying the migration of humans out of Africa. 
A)  studying familial relationships between females. 
B)  determining the relatives of Moses. 
C)  tracing the descendants of Genghis Khan. 
D)  deciding paternity. 
E)  studying the migration of humans out of Africa.

Question 11

How much wavy protein is expressed in people with curly hair,compared with people with wavy hair?

Accepted Answer

A)  twice as much 
B)  a single amount 
C)  half the amount 
D)  four times as much 
E)  none 
A)  twice as much 
B)  a single amount 
C)  half the amount 
D)  four times as much 
E)  none

Question 12

Ancestry and human evolution is researched using these differences in Y chromosomes.

Accepted Answer

A)  single-nucleotide repeats 
B)  mutations in DNA coding regions 
C)  short-tandem repeats 
D)  telomere deletions 
E)  frameshift mutations 
A)  single-nucleotide repeats 
B)  mutations in DNA coding regions 
C)  short-tandem repeats 
D)  telomere deletions 
E)  frameshift mutations

Question 13

Hemophilia is a recessive mutation on the X chromosome.Who is more likely to express the hemophilia phenotype,a son or a daughter? Explain.

Accepted Answer

The son is more likely to express hemoph

Question 14

Humans have how many autosomes?

Accepted Answer

A)  22 pairs 
B)  23 pairs 
C)  44 pairs 
D)  46 pairs 
E)  26 pairs 
A)  22 pairs 
B)  23 pairs 
C)  44 pairs 
D)  46 pairs 
E)  26 pairs

Question 15

Genghis Kahn ruled the largest empire in the world,pillaging his way across Mongolia and Asia in the 13th century.Today,16 million men living in this same region are his descendents.How do you think scientists have been able to determine that all these men are related to Genghis Kahn? Specifically,what chromosome do you think they examined and why?

Accepted Answer

Because the Y chromosome is passed uncha

Question 16

Which of the following statements is INCORRECT?

Accepted Answer

A)  Males are more likely than females to express X-linked characteristics. 
B)  X-linked characteristics are almost always recessively inherited. 
C)  X-linked characteristics are genes that are recessive on the X chromosome and dominant on the Y chromosome. 
D)  Females with Duchenne muscular dystrophy are uncommon. 
E)  Hemophilia rarely affects women. 
A)  Males are more likely than females to express X-linked characteristics. 
B)  X-linked characteristics are almost always recessively inherited. 
C)  X-linked characteristics are genes that are recessive on the X chromosome and dominant on the Y chromosome. 
D)  Females with Duchenne muscular dystrophy are uncommon. 
E)  Hemophilia rarely affects women.

Question 17

Nondisjunction that occurs only in meiosis I can result in cells with

Accepted Answer

A)  47 or 45 chromosomes. 
B)  47, 46, or 45 chromosomes 
C)  24, 23, or 22 chromosomes. 
D)  24 or 22 chromosomes. 
E)  None of the above. 
A)  47 or 45 chromosomes. 
B)  47, 46, or 45 chromosomes 
C)  24, 23, or 22 chromosomes. 
D)  24 or 22 chromosomes. 
E)  None of the above.

Question 18

Which of the following chromosomes does NOT have a homologous partner in human males?

Accepted Answer

A)  Chromosome 1 
B)  Chromosome 11 
C)  Chromosome 17 
D)  Chromosome  1 
E)  Y chromosome 
A)  Chromosome 1 
B)  Chromosome 11 
C)  Chromosome 17 
D)  Chromosome  1 
E)  Y chromosome

Question 19

One of every _______ children born is neither strictly male nor female,but intersex.

Accepted Answer

A)  100 
B)  1,600 
C)  10,000 
D)  16,000 
E)  1,000,000 
A)  100 
B)  1,600 
C)  10,000 
D)  16,000 
E)  1,000,000

Question 20

It is simpler to use DNA to identify the father for a son than for a daughter because

Accepted Answer

A)  the X chromosome is passed intact to the daughter from the mother. 
B)  the Y chromosome may recombine during meiosis. 
C)  the Y chromosome may exchange genetic material with the X chromosome . 
D)  the X chromosome may recombine during meiosis while the Y is passed intact. 
E)  autosomes are passed intact to all progeny. 
A)  the X chromosome is passed intact to the daughter from the mother. 
B)  the Y chromosome may recombine during meiosis. 
C)  the Y chromosome may exchange genetic material with the X chromosome . 
D)  the X chromosome may recombine during meiosis while the Y is passed intact. 
E)  autosomes are passed intact to all progeny.

Exam 12: Complex Inheritance Qa: Genetics

Nondisjunction that occurs only in meiosis II can result in cells with

You have a patient who needs a lot of blood.The patient is blood type A+.You have the following blood in stock.How many liters of blood can you give the patient before you will have to find other sources of blood? Explain.

A heart muscle cell of a person with Down syndrome has _____chromosomes.

________ required to masculinize a developing fetus.

Which of the following is not an X-linked trait?

Men are frequently told that male-pattern baldness is inherited from their maternal grandfather,not their father.Explain the reasoning behind this statement.

The term autosome refers to

Hair texture is an example of incomplete dominance.A person who is homozygous dominant HH has curly hair and they mate with a person who has straight hair (homozygous recessive hh).What percentage of their offspring will have straight hair? (Draw a Punnett square to help you figure this out.)

What is the best genetic marker to use when trying to see if two people are related?

Y chromosome analysis would be LEAST useful for

How much wavy protein is expressed in people with curly hair,compared with people with wavy hair?

Ancestry and human evolution is researched using these differences in Y chromosomes.

Hemophilia is a recessive mutation on the X chromosome.Who is more likely to express the hemophilia phenotype,a son or a daughter? Explain.

Humans have how many autosomes?

Which of the following statements is INCORRECT?

Nondisjunction that occurs only in meiosis I can result in cells with

Which of the following chromosomes does NOT have a homologous partner in human males?

One of every _______ children born is neither strictly male nor female,but intersex.

It is simpler to use DNA to identify the father for a son than for a daughter because

The Process of Science Java Report

Chemistry and Molecules of Life Mission to Mars

Cell Function and Structure Wonder Drug

Nutrition,metabolism,enzymes the Peanut Butter Project

Energy Flow and Photosynthesis the Future of Fuel

Dietary Energy and Cellular Respiration Supersize Me

DNA Structure and Replication Biologically Unique

Genes to Proteins Medicine From Milk

Cell Division and Mitosis Natures Pharmacy

Mutations and Cancer Fighting Fate

Single-Gene Inheritance and Meiosis Rock for a Cause

Stem Cells and Cell Differentiation Grow Your Own

Natural Selection and Adaptation Bugs That Resist Drugs

A: Nonadaptive Evolution and Speciation Urban Evolution

B: Nonadaptive Evolution and Speciation Urban Evolution

Evidence for Evolution a Fish With Fingers

Life on Earth Qa: Evolution

Prokaryotic Diversity Lost City

A: Eukaryotic Diversity Rain Forest Riches

B: Eukaryotic Diversity Rain Forest Riches

Human Evolution Skin Deep

A: Population Ecology on the Tracks of Wolves and Moose

B: Population Ecology on the Tracks of Wolves and Moose

A: Community Ecology Whats Happening to Honey Bees

B: Community Ecology Whats Happening to Honey Bees

A: Ecosystem Ecology the Heat Is on

B: Ecosystem Ecology the Heat Is on

A: Sustainability the Makings of a Green City

B: Sustainability the Makings of a Green City

A: Overview of Physiology Man Versus Mountain

B: Overview of Physiology Man Versus Mountain

Digestive System Drastic Measures

A: Cardiovascular System Death in Bogalusa

B: Cardiovascular System Death in Bogalusa

Respiratory System Peak Performance

A: Central Nervous System Smoke on the Brain

B: Central Nervous System Smoke on the Brain

Reproductive System Too Many Multiples

Immune System Viral Mysteries

A: Plant Physiology

B: Plant Physiology

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