Question 1

Match the following terms to the correct label in the figure below.  
-phenotype

Accepted Answer

A) A 
B) B 
C) C 
D) D 
E) E 
A) A 
B) B 
C) C 
D) D 
E) E

Question 2

In cats, short hair L is dominant to long hair l, and black hair B is dominant to brown hair b. If you found a black, short-haired cat, you could determine his genotype by crossing it to an animal with a genotype of ____.

Accepted Answer

A)  	LLBB 
B)  	llBB 
C)  	llBb 
D)  	llbb 
E)  	LLbb 
A)  	LLBB 
B)  	llBB 
C)  	llBb 
D)  	llbb 
E)  	LLbb

Question 3

A gene that produces multiple effects is called a(n)____.

Accepted Answer

A) co-dominant gene 
B) X-linked gene 
C) epistatic gene 
D) pleiotropic gene 
E) incompletely dominant gene 
A) co-dominant gene 
B) X-linked gene 
C) epistatic gene 
D) pleiotropic gene 
E) incompletely dominant gene

Question 4

Approximately how many gene products are involved in the synthesis of melanin in humans?

Accepted Answer

A) 10 
B) 25 
C) 50 
D) 100 
E) 1000 
A) 10 
B) 25 
C) 50 
D) 100 
E) 1000

Question 5

Face length in dogs is controlled by ____.

Accepted Answer

A) a dozen alleles 
B) a dozen genes 
C) multiple chromosomes 
D) sex-linked alleles 
E) trisomies 
A) a dozen alleles 
B) a dozen genes 
C) multiple chromosomes 
D) sex-linked alleles 
E) trisomies

Question 6

Match the following terms to the disorder to which it corresponds.
-polydactyly

Accepted Answer

A) autosomal dominant disorder 
B) autosomal recessive disorder 
C) X-linked disorder 
A) autosomal dominant disorder 
B) autosomal recessive disorder 
C) X-linked disorder

Question 7

Match the following terms to the condition with which they best correspond.
-fur color in Labrador retrievers

Accepted Answer

A) epistasis 
B) incomplete dominance 
C) codominance 
D) pleiotropy 
E) continuous variation 
A) epistasis 
B) incomplete dominance 
C) codominance 
D) pleiotropy 
E) continuous variation

Question 8

Match the following terms to the description with which they best correspond.
-two different alleles of a given gene

Accepted Answer

A) genotype 
B) heterozygous 
C) dihybrid cross 
D) pleiotropic 
E) codominance
F)epistasis
G)incomplete dominance
H)syndrome
I)continuous variation
J)aneuploidy 
A) genotype 
B) heterozygous 
C) dihybrid cross 
D) pleiotropic 
E) codominance
F)epistasis
G)incomplete dominance
H)syndrome
I)continuous variation
J)aneuploidy

Question 9

An X-linked carrier is a ____.

Accepted Answer

A) homozygous dominant female 
B) heterozygous female 
C) homozygous recessive female 
D) homozygous male 
E) heterozygous male 
A) homozygous dominant female 
B) heterozygous female 
C) homozygous recessive female 
D) homozygous male 
E) heterozygous male

Question 10

Match the following symptoms to the disorder to which they correspond.
-Klinefelter syndrome

Accepted Answer

A) mental impairment; heart defects 
B) mild mental impairment 
C) sterility, mental impairment 
D) minimal abnormalities 
E) sterility, abnormal ovaries, abnormal sexual traits 
A) mental impairment; heart defects 
B) mild mental impairment 
C) sterility, mental impairment 
D) minimal abnormalities 
E) sterility, abnormal ovaries, abnormal sexual traits

Question 11

When two alleles of the same gene are different,the individual carrying those alleles is said to be ____.

Accepted Answer

A) recessive 
B) heterozygous 
C) phenotypic 
D) somatic 
E) homozygous 
A) recessive 
B) heterozygous 
C) phenotypic 
D) somatic 
E) homozygous

Question 12

Match the following symptoms to the disorder to which they correspond.
-Turner syndrome

Accepted Answer

A) mental impairment; heart defects 
B) mild mental impairment 
C) sterility, mental impairment 
D) minimal abnormalities 
E) sterility, abnormal ovaries, abnormal sexual traits 
A) mental impairment; heart defects 
B) mild mental impairment 
C) sterility, mental impairment 
D) minimal abnormalities 
E) sterility, abnormal ovaries, abnormal sexual traits

Question 13

Red coat is dominant in horses and white coat is recessive.In a cross between a homozygous dominant red-coated horse and a white-coated horse,what genotype(s)would be observed in the offspring?

Accepted Answer

A) all homozygous recessive 
B) all homozygous dominant 
C) half homozygous dominant and half homozygous recessive 
D) all heterozygous 
E) half heterozygous and half homozygous dominant 
A) all homozygous recessive 
B) all homozygous dominant 
C) half homozygous dominant and half homozygous recessive 
D) all heterozygous 
E) half heterozygous and half homozygous dominant

Question 14

An autosomal recessive disorder ____.

Accepted Answer

A) requires that only one parent be a carrier 
B) displays its symptoms in heterozygotes 
C) is more frequent in males than females 
D) requires that both parents are carriers 
E) only affects females 
A) requires that only one parent be a carrier 
B) displays its symptoms in heterozygotes 
C) is more frequent in males than females 
D) requires that both parents are carriers 
E) only affects females

Question 15

In humans,skin color is controlled by several genes.Thus,skin color is a(n)____ characteristic.

Accepted Answer

A) dominant 
B) co-dominant 
C) epistatic 
D) pleiotropic 
E) recessive 
A) dominant 
B) co-dominant 
C) epistatic 
D) pleiotropic 
E) recessive

Question 16

In a pedigree chart,a male who demonstrates the trait being studied is represented by a ____.

Accepted Answer

A) darkened square 
B) darkened diamond 
C) clear circle 
D) clear square 
E) darkened circle 
A) darkened square 
B) darkened diamond 
C) clear circle 
D) clear square 
E) darkened circle

Question 17

The ABO blood types have ____ different genotypes.

Accepted Answer

A) 4 
B) 6 
C) 8 
D) 12 
E) 16 
A) 4 
B) 6 
C) 8 
D) 12 
E) 16

Question 18

____ raises miscarriage risks by 2-10% and is rarely performed.

Accepted Answer

A) Conventional ultrasound 
B) Fetoscopy 
C) 4D ultrasound 
D) Amniocentesis 
E) CVS 
A) Conventional ultrasound 
B) Fetoscopy 
C) 4D ultrasound 
D) Amniocentesis 
E) CVS

Question 19

Amniocentesis involves sampling ____.

Accepted Answer

A) the embryo at the eight cell stage 
B) fetal cells in the amniotic fluid 
C) sperm or egg cells 
D) fetal skin tissue 
E) placental cells 
A) the embryo at the eight cell stage 
B) fetal cells in the amniotic fluid 
C) sperm or egg cells 
D) fetal skin tissue 
E) placental cells

Question 20

Cystic fibrosis is a recessive disorder.If a couple,each of whom is heterozygous for the CFTR mutation,have children,what is the probability that they will have a child with cystic fibrosis?

Accepted Answer

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

Match the following terms to the correct label in the figure below. -phenotype

In cats, short hair L is dominant to long hair l, and black hair B is dominant to brown hair b. If you found a black, short-haired cat, you could determine his genotype by crossing it to an animal with a genotype of ____.

A gene that produces multiple effects is called a(n)____.

Approximately how many gene products are involved in the synthesis of melanin in humans?

Face length in dogs is controlled by ____.

Match the following terms to the disorder to which it corresponds. -polydactyly

Match the following terms to the condition with which they best correspond. -fur color in Labrador retrievers

Match the following terms to the description with which they best correspond. -two different alleles of a given gene

An X-linked carrier is a ____.

Match the following symptoms to the disorder to which they correspond. -Klinefelter syndrome

When two alleles of the same gene are different,the individual carrying those alleles is said to be ____.

Match the following symptoms to the disorder to which they correspond. -Turner syndrome

Red coat is dominant in horses and white coat is recessive.In a cross between a homozygous dominant red-coated horse and a white-coated horse,what genotype(s)would be observed in the offspring?

An autosomal recessive disorder ____.

In humans,skin color is controlled by several genes.Thus,skin color is a(n)____ characteristic.

In a pedigree chart,a male who demonstrates the trait being studied is represented by a ____.

The ABO blood types have ____ different genotypes.

____ raises miscarriage risks by 2-10% and is rarely performed.

Amniocentesis involves sampling ____.

Cystic fibrosis is a recessive disorder.If a couple,each of whom is heterozygous for the CFTR mutation,have children,what is the probability that they will have a child with cystic fibrosis?

Invitation To Biology

Molecules Of Life

Cell Structure

Energy And Metabolism

Capturing And Releasing Energy

DNA Structure And Function

Gene Expression AND Control

How Cells Reproduce

Biotechnology

Evidence Of Evolution

Processes Of Evolution

Early Life Forms And The Viruses

Plants And Fungi

Animal Evolution

Population Ecology

Communities And Ecosystems

The Biosphere And Human Effects

Filters

Exam 9: Patterns Of Inheritance

Match the following terms to the correct label in the figure below. -phenotype

In cats, short hair L is dominant to long hair l, and black hair B is dominant to brown hair b. If you found a black, short-haired cat, you could determine his genotype by crossing it to an animal with a genotype of ____.

A gene that produces multiple effects is called a(n)____.

Approximately how many gene products are involved in the synthesis of melanin in humans?

Face length in dogs is controlled by ____.

Match the following terms to the disorder to which it corresponds. -polydactyly

Match the following terms to the condition with which they best correspond. -fur color in Labrador retrievers

Match the following terms to the description with which they best correspond. -two different alleles of a given gene

An X-linked carrier is a ____.

Match the following symptoms to the disorder to which they correspond. -Klinefelter syndrome

When two alleles of the same gene are different,the individual carrying those alleles is said to be ____.

Match the following symptoms to the disorder to which they correspond. -Turner syndrome

Red coat is dominant in horses and white coat is recessive.In a cross between a homozygous dominant red-coated horse and a white-coated horse,what genotype(s)would be observed in the offspring?

An autosomal recessive disorder ____.

In humans,skin color is controlled by several genes.Thus,skin color is a(n)____ characteristic.

In a pedigree chart,a male who demonstrates the trait being studied is represented by a ____.

The ABO blood types have ____ different genotypes.

____ raises miscarriage risks by 2-10% and is rarely performed.

Amniocentesis involves sampling ____.

Cystic fibrosis is a recessive disorder.If a couple,each of whom is heterozygous for the CFTR mutation,have children,what is the probability that they will have a child with cystic fibrosis?

Invitation To Biology

Molecules Of Life

Cell Structure

Energy And Metabolism

Capturing And Releasing Energy

DNA Structure And Function

Gene Expression AND Control

How Cells Reproduce

Biotechnology

Evidence Of Evolution

Processes Of Evolution

Early Life Forms And The Viruses

Plants And Fungi

Animal Evolution

Population Ecology

Communities And Ecosystems

The Biosphere And Human Effects

Filters