Question 1

Male-pattern baldness is only an autosomal dominant trait in humans.

Accepted Answer

A) True 
 B)False

Question 2

In overdominance, the _______ genotype is beneficial over the _______ genotypes.

Accepted Answer

A) heterozygous, homozygous 
B) homozygous, heterozygous 
C) homozygous dominant, homozygous recessive 
D) homozygous recessive, homozygous dominant 
E) incomplete dominant, codominant 
A) heterozygous, homozygous 
B) homozygous, heterozygous 
C) homozygous dominant, homozygous recessive 
D) homozygous recessive, homozygous dominant 
E) incomplete dominant, codominant

Question 3

Which of the following is not correct concerning epistatic interactions?

Accepted Answer

A) They can be associated with enzymatic pathways. 
B) They produce variations in the expected 9:3:3:1 ratio of a dihybrid cross. 
C) They can result when a gene at one locus masks the expression of a gene at a different locus. 
D) They always result in a 9:7 ratio of a dihybrid cross. 
E)  They are due to gene interactions. 
A) They can be associated with enzymatic pathways. 
B) They produce variations in the expected 9:3:3:1 ratio of a dihybrid cross. 
C) They can result when a gene at one locus masks the expression of a gene at a different locus. 
D) They always result in a 9:7 ratio of a dihybrid cross. 
E)  They are due to gene interactions.

Question 4

The trait of cream-colored eyes in Drosophila is an example of ________.

Accepted Answer

A) simple recessive alleles 
B) incomplete penetrance of red eyes 
C) a gene modifier effect in eye color 
D) gene dosage 
E)  a spontaneous mutation 
A) simple recessive alleles 
B) incomplete penetrance of red eyes 
C) a gene modifier effect in eye color 
D) gene dosage 
E)  a spontaneous mutation

Question 5

Humans homozygous for the sickle cell allele have sickle cell anemia. A human that is heterozygous for the sickle cell allele is an example of _____________.

Accepted Answer

A)  codominance 
B)  incomplete penetrance 
C)  heterozygous advantage 
D)  multiple allele systems 
A)  codominance 
B)  incomplete penetrance 
C)  heterozygous advantage 
D)  multiple allele systems

Question 6

An individual with type A blood and an individual with type B blood mate and have offspring. What blood type is not possible in their offspring?

Accepted Answer

A) Type O blood 
B) Type A blood 
C) Type B blood 
D) Type AB blood 
E) All blood types are possible 
A) Type O blood 
B) Type A blood 
C) Type B blood 
D) Type AB blood 
E) All blood types are possible

Male-pattern baldness is only an autosomal dominant trait in humans.

In overdominance, the _ genotype is beneficial over the _ genotypes.

Which of the following is not correct concerning epistatic interactions?

The trait of cream-colored eyes in Drosophila is an example of ________.

Humans homozygous for the sickle cell allele have sickle cell anemia. A human that is heterozygous for the sickle cell allele is an example of _____________.

An individual with type A blood and an individual with type B blood mate and have offspring. What blood type is not possible in their offspring?

Overview of Genetics

Mendelian Inheritance

Chromosome Transmission During Cell Division and Sexual Reproduction

Non-Mendelian Inheritance

Genetic Linkage and Mapping in Eukaryotes

Genetic Transfer and Mapping in Bacteria and Bacteriophages

Variation in Chromosome Structure and Number

Molecular Structure of DNA and RNA

Chromosome Organization and Molecular Structure

DNA Replication

Gene Transcription and RNA Modification

Translation of MRNA

Gene Regulation in Bacteria

Gene Regulation in Eukaryotes I: Transcriptional Regulation

Gene Regulation in Eukaryotes II: Epigenetics and Regulation at the RNA Level

Genetics of Viruses

Gene Mutation and Dna Repair

Recombination and Transposition at the Molecular Level

DNA Technologies

Biotechnology

Genomics I: Analysis of DNA

Genomics II: Functional Genomics, Proteomics, and Bioinformatics

Medical Genetics and Cancer

Developmental Genetics

Population Genetics

Quantitative Genetics

Evolutionary Genetics

Filters

Exam 4: Extensions of Mendelian Inheritance

Male-pattern baldness is only an autosomal dominant trait in humans.

In overdominance, the _______ genotype is beneficial over the _______ genotypes.

Which of the following is not correct concerning epistatic interactions?

The trait of cream-colored eyes in Drosophila is an example of ________.

Humans homozygous for the sickle cell allele have sickle cell anemia. A human that is heterozygous for the sickle cell allele is an example of _____________.

An individual with type A blood and an individual with type B blood mate and have offspring. What blood type is not possible in their offspring?

Overview of Genetics

Mendelian Inheritance

Chromosome Transmission During Cell Division and Sexual Reproduction

Non-Mendelian Inheritance

Genetic Linkage and Mapping in Eukaryotes

Genetic Transfer and Mapping in Bacteria and Bacteriophages

Variation in Chromosome Structure and Number

Molecular Structure of DNA and RNA

Chromosome Organization and Molecular Structure

DNA Replication

Gene Transcription and RNA Modification

Translation of MRNA

Gene Regulation in Bacteria

Gene Regulation in Eukaryotes I: Transcriptional Regulation

Gene Regulation in Eukaryotes II: Epigenetics and Regulation at the RNA Level

Genetics of Viruses

Gene Mutation and Dna Repair

Recombination and Transposition at the Molecular Level

DNA Technologies

Biotechnology

Genomics I: Analysis of DNA

Genomics II: Functional Genomics, Proteomics, and Bioinformatics

Medical Genetics and Cancer

Developmental Genetics

Population Genetics

Quantitative Genetics

Evolutionary Genetics

Filters

In overdominance, the _ genotype is beneficial over the _ genotypes.