Question 1

Abraham Lincoln's son,Robert,showed no signs of Marfan syndrome.

Accepted Answer

A) True 
 B)False

Question 2

A blood test cannot determine if a person is a carrier of Tay-Sachs disease because the mutant allele is undetectable.

Accepted Answer

A) True 
 B)False

Question 3

Summarize the usefulness of the online catalog of human genetic traits developed and maintained by researchers at Johns Hopkins University.

Accepted Answer

The online catalog makes available infor

Question 4

If a pedigree of several generations shows only females affected by a particular trait,it cannot be a(n)____ trait.

Accepted Answer

A)  autosomal recessive 
B)  autosomal dominant 
C)  Y-linked 
D)  X-linked recessive 
E)  X-linked dominant 
A)  autosomal recessive 
B)  autosomal dominant 
C)  Y-linked 
D)  X-linked recessive 
E)  X-linked dominant

Question 5

The X and Y chromosomes ____.

Accepted Answer

A)  are responsible for autosomal recessive inheritance 
B)  will lead to color-blindness in all carriers 
C)  are found paired with all 22 autosomal chromosomes 
D)  are responsible for albinism 
E)  play major roles in determining the sex of an individual 
A)  are responsible for autosomal recessive inheritance 
B)  will lead to color-blindness in all carriers 
C)  are found paired with all 22 autosomal chromosomes 
D)  are responsible for albinism 
E)  play major roles in determining the sex of an individual

Question 6

If both parents are homozygous for a disease-causing recessive gene,____________________ of their children will be affected.

Accepted Answer

The answer of If both parents are homozygous for a...

Question 7

The initial circumstance that led some to believe that Abraham Lincoln had Marfan syndrome was that ____ had the disease.

Accepted Answer

A)  one of Lincoln's descendants 
B)  Lincoln's sister 
C)  a descendent of Lincoln's great-great-grandfather 
D)  DNA analysis on Lincoln's skull determined that he 
E)  Photographs of Lincoln provided physical evidence that he 
A)  one of Lincoln's descendants 
B)  Lincoln's sister 
C)  a descendent of Lincoln's great-great-grandfather 
D)  DNA analysis on Lincoln's skull determined that he 
E)  Photographs of Lincoln provided physical evidence that he

Question 8

Identify the pattern of Mendelian inheritance represented in the pedigree above and explain how you made this determination.

Accepted Answer

This pedigree represents a pattern of Y-

Question 9

Common recessive alleles present in a family can result in a pedigree that looks like ____ inheritance.

Accepted Answer

A)  X-linked recessive 
B)  X-linked dominant 
C)  autosomal dominant 
D)  autosomal recessive 
E)  Y-linked 
A)  X-linked recessive 
B)  X-linked dominant 
C)  autosomal dominant 
D)  autosomal recessive 
E)  Y-linked

Question 10

List and explain at least three patterns of inheritance of an autosomal dominant trait.

Accepted Answer

In disorders with an autosomal dominant

Question 11

A mutation in the gene that codes for a connective tissue protein called fibrillin causes ____________________.

Accepted Answer

The answer of A mutation in the gene that codes...

Question 12

Males never give an X chromosome to any of their sons.

Accepted Answer

A) True 
 B)False

Question 13

Explain why color-blindness is much more common in males than in females.

Accepted Answer

Color blindness is an X-linked recessive

Question 14

OMIM is an acronym that stands for ____________.

Accepted Answer

Online Men

Question 15

Camptodactyly causes ____.

Accepted Answer

A)  bent, immobile little fingers 
B)  breathing difficulties 
C)  loose joints 
D)  muscle deterioration 
E)  near-sightedness 
A)  bent, immobile little fingers 
B)  breathing difficulties 
C)  loose joints 
D)  muscle deterioration 
E)  near-sightedness

Question 16

The most common forms of color blindness result in the inability to properly perceive the colors ____________________ and ____________________.

Accepted Answer

red; green

Question 17

Duchenne muscular dystrophy and Becker's muscular dystrophy are caused by different mutations in the same X-linked gene.

Accepted Answer

A) True 
 B)False

Question 18

Lisa has a rare genetic defect that causes acute sun-sensitivity.Her mother has the defect,but her father does not.All of Lisa's siblings,two brothers and a sister,are also affected.All four siblings are married,but none of their spouses has the mutant gene.Draw a pedigree for this family.Identify and explain the most likely mode of transmission for this disorder.

Accepted Answer

@#IMG-DLM& 
The most likely mode of transmission f

Question 19

One goal of pedigree analysis is to discover whether the gene in question is located on an X or a Y chromosome or on a(n)____________________.

Accepted Answer

The answer of One goal of pedigree analysis is to...

Question 20

Phenotypic variation can occur in traits controlled by the same allele.

Accepted Answer

A) True 
 B)False

Abraham Lincoln's son,Robert,showed no signs of Marfan syndrome.

A blood test cannot determine if a person is a carrier of Tay-Sachs disease because the mutant allele is undetectable.

Summarize the usefulness of the online catalog of human genetic traits developed and maintained by researchers at Johns Hopkins University.

If a pedigree of several generations shows only females affected by a particular trait,it cannot be a(n)____ trait.

The X and Y chromosomes ____.

If both parents are homozygous for a disease-causing recessive gene,____________________ of their children will be affected.

The initial circumstance that led some to believe that Abraham Lincoln had Marfan syndrome was that ____ had the disease.

Identify the pattern of Mendelian inheritance represented in the pedigree above and explain how you made this determination.

Common recessive alleles present in a family can result in a pedigree that looks like ____ inheritance.

List and explain at least three patterns of inheritance of an autosomal dominant trait.

A mutation in the gene that codes for a connective tissue protein called fibrillin causes ____________________.

Males never give an X chromosome to any of their sons.

Explain why color-blindness is much more common in males than in females.

OMIM is an acronym that stands for ____________.

Camptodactyly causes ____.

The most common forms of color blindness result in the inability to properly perceive the colors and .

Duchenne muscular dystrophy and Becker's muscular dystrophy are caused by different mutations in the same X-linked gene.

One goal of pedigree analysis is to discover whether the gene in question is located on an X or a Y chromosome or on a(n)____________________.

Phenotypic variation can occur in traits controlled by the same allele.

A Perspective on Human Genetics

Cells and Cell Division

Transmission of Genes from Generation to Generation

The Inheritance of Complex Traits

Cytogenetics - Karyotypes and Chromosome Aberrations

Development and Sex Determination

The Structure - Replication - and Chromosomal Organization of DNA

Gene Expression and Gene Regulation

From Proteins to Phenotypes

Genome Alterations - Mutation and Epigenetics

Genes and Cancer

An Introduction to Genetic Technology

Biotechnology and Society

Genomes and Genomics

Reproductive Technology - Genetic Testing - and Gene Therapy

Genes and The Immune System

Genetics of Behavior

Population Genetics and Human Evolution

Filters

Exam 4: Pedigree Analysis in Human Genetics

Abraham Lincoln's son,Robert,showed no signs of Marfan syndrome.

A blood test cannot determine if a person is a carrier of Tay-Sachs disease because the mutant allele is undetectable.

Summarize the usefulness of the online catalog of human genetic traits developed and maintained by researchers at Johns Hopkins University.

If a pedigree of several generations shows only females affected by a particular trait,it cannot be a(n)____ trait.

The X and Y chromosomes ____.

If both parents are homozygous for a disease-causing recessive gene,____________________ of their children will be affected.

The initial circumstance that led some to believe that Abraham Lincoln had Marfan syndrome was that ____ had the disease.

Identify the pattern of Mendelian inheritance represented in the pedigree above and explain how you made this determination.

Common recessive alleles present in a family can result in a pedigree that looks like ____ inheritance.

List and explain at least three patterns of inheritance of an autosomal dominant trait.

A mutation in the gene that codes for a connective tissue protein called fibrillin causes ____________________.

Males never give an X chromosome to any of their sons.

Explain why color-blindness is much more common in males than in females.

OMIM is an acronym that stands for ____________.

Camptodactyly causes ____.

The most common forms of color blindness result in the inability to properly perceive the colors ____________________ and ____________________.

Duchenne muscular dystrophy and Becker's muscular dystrophy are caused by different mutations in the same X-linked gene.

One goal of pedigree analysis is to discover whether the gene in question is located on an X or a Y chromosome or on a(n)____________________.

Phenotypic variation can occur in traits controlled by the same allele.

A Perspective on Human Genetics

Cells and Cell Division

Transmission of Genes from Generation to Generation

The Inheritance of Complex Traits

Cytogenetics - Karyotypes and Chromosome Aberrations

Development and Sex Determination

The Structure - Replication - and Chromosomal Organization of DNA

Gene Expression and Gene Regulation

From Proteins to Phenotypes

Genome Alterations - Mutation and Epigenetics

Genes and Cancer

An Introduction to Genetic Technology

Biotechnology and Society

Genomes and Genomics

Reproductive Technology - Genetic Testing - and Gene Therapy

Genes and The Immune System

Genetics of Behavior

Population Genetics and Human Evolution

Filters

The most common forms of color blindness result in the inability to properly perceive the colors and .