Question 1

In an experiment you do a chi-square test comparing observed and expected progeny.Your calculated chi square is 0.99.What does this mean?

Accepted Answer

A) There is a 99% chance that you did the experiment correctly. 
B) There is a 99% chance that the difference between expected and observed progeny is due to something other than chance. 
C) You probably made an error in calculating your expected progeny. 
D) There is a 99% chance that the difference between expected and observed progeny is due to chance. 
A) There is a 99% chance that you did the experiment correctly. 
B) There is a 99% chance that the difference between expected and observed progeny is due to something other than chance. 
C) You probably made an error in calculating your expected progeny. 
D) There is a 99% chance that the difference between expected and observed progeny is due to chance. D

Question 2

If you were looking at a pedigree and noticed that a particular disease COULD be inherited from father to sons,what can you conclude?

Accepted Answer

A) The disease must be X-linked. 
B) The disease must be Y-linked. 
C) The disease is not X-linked. 
D) We do not have enough data to conclude anything. 
A) The disease must be X-linked. 
B) The disease must be Y-linked. 
C) The disease is not X-linked. 
D) We do not have enough data to conclude anything. C

Question 3

Alternate forms of a gene are called

Accepted Answer

A) loci. 
B) phenotypes. 
C) alleles. 
D) genotypes. 
E) heterozygotes. 
A) loci. 
B) phenotypes. 
C) alleles. 
D) genotypes. 
E) heterozygotes. C

Question 4

If T tallis dominant to t short),then what proportion of the progeny will be tall in the following cross: Tt × TT?

Accepted Answer

A) 0/4 
B) 1/4 
C) 2/4 
D) 3/4 
E) 4/4 
A) 0/4 
B) 1/4 
C) 2/4 
D) 3/4 
E) 4/4

Question 5

An organism has the genotype Rr and the phenotype R.This is known as the concept of

Accepted Answer

A) segregation. 
B) dominance. 
C) recessive. 
D) Mendel. 
A) segregation. 
B) dominance. 
C) recessive. 
D) Mendel.

Question 6

According to Mendel's second law,during meiosis the pea-plant genes for seed color and texture assort

Accepted Answer

A) dependent upon how different alleles assort. 
B) independent of how different alleles assort. 
C) to prevent two mutant alleles from occupying the same seed. 
D) none of the above 
A) dependent upon how different alleles assort. 
B) independent of how different alleles assort. 
C) to prevent two mutant alleles from occupying the same seed. 
D) none of the above

Question 7

When Mendel crossed two pure pea plants,one with green seeds and one with yellow seeds,the F1 progeny had

Accepted Answer

A) green seeds. 
B) yellow seeds. 
C) some yellow seeds and some green seeds. 
D) a color in between green and yellow. 
E) no seeds. 
A) green seeds. 
B) yellow seeds. 
C) some yellow seeds and some green seeds. 
D) a color in between green and yellow. 
E) no seeds.

Question 8

You are studying anemia.While looking at a pedigree you notice that the anemia phenotype is not present in a set of parents,but 1 out of their 5 children has anemia.What can you conclude about anemia?

Accepted Answer

A) The trait is X-linked. 
B) The trait is autosomal dominant. 
C) The trait is autosomal recessive. 
D) We do not have enough data to conclude anything. 
A) The trait is X-linked. 
B) The trait is autosomal dominant. 
C) The trait is autosomal recessive. 
D) We do not have enough data to conclude anything.

Question 9

The progeny of a cross between a pure white chicken and a pure black chicken are all gray.This is an example of

Accepted Answer

A) partial dominance. 
B) incomplete dominance. 
C) the product rule. 
D) the concept of dominance. 
A) partial dominance. 
B) incomplete dominance. 
C) the product rule. 
D) the concept of dominance.

Question 10

In Mendel's pea plants,how did he know that each F1 generation contained two alleles encoding different characteristics?

Accepted Answer

A) The F1 generation had a blended phenotype of the two parental phenotypes. 
B) Both parental phenotypes reappeared in the F2 generation. 
C) Each F1 plant had a different phenotype. 
D) The F1 plants did not have two alleles. 
E) none of the above 
A) The F1 generation had a blended phenotype of the two parental phenotypes. 
B) Both parental phenotypes reappeared in the F2 generation. 
C) Each F1 plant had a different phenotype. 
D) The F1 plants did not have two alleles. 
E) none of the above

Question 11

If an individual of genotype Aa is test-crossed,what is the genotype of the test-crossed individual?

Accepted Answer

A) AA 
B) Aa 
C) aa 
D) The test-crossed individual is unknown. 
A) AA 
B) Aa 
C) aa 
D) The test-crossed individual is unknown.

Question 12

Why was the pea plant an ideal plant for Mendel to use?

Accepted Answer

A) It produces few progeny. 
B) It has characteristics that are clear and easy to identify. 
C) It requires extensive care. 
D) It requires several seasons to complete a generation. 
E) all of the above 
A) It produces few progeny. 
B) It has characteristics that are clear and easy to identify. 
C) It requires extensive care. 
D) It requires several seasons to complete a generation. 
E) all of the above

Question 13

What is the probability that in the cross Aa Bb × aa Bb the progeny will be aa BB?

Accepted Answer

A) 1/8 
B) 1/4 
C) 1/2 
D) 2/3 
E) 3/4 
A) 1/8 
B) 1/4 
C) 1/2 
D) 2/3 
E) 3/4

In an experiment you do a chi-square test comparing observed and expected progeny.Your calculated chi square is 0.99.What does this mean?

If you were looking at a pedigree and noticed that a particular disease COULD be inherited from father to sons,what can you conclude?

Alternate forms of a gene are called

If T tallis dominant to t short),then what proportion of the progeny will be tall in the following cross: Tt × TT?

An organism has the genotype Rr and the phenotype R.This is known as the concept of

According to Mendel's second law,during meiosis the pea-plant genes for seed color and texture assort

When Mendel crossed two pure pea plants,one with green seeds and one with yellow seeds,the F1 progeny had

You are studying anemia.While looking at a pedigree you notice that the anemia phenotype is not present in a set of parents,but 1 out of their 5 children has anemia.What can you conclude about anemia?

The progeny of a cross between a pure white chicken and a pure black chicken are all gray.This is an example of

In Mendel's pea plants,how did he know that each F1 generation contained two alleles encoding different characteristics?

If an individual of genotype Aa is test-crossed,what is the genotype of the test-crossed individual?

Why was the pea plant an ideal plant for Mendel to use?

What is the probability that in the cross Aa Bb × aa Bb the progeny will be aa BB?

Introduction to Genetics

Chromosomes and Cellular Reproduction

Extensions and Modifications of Basic Principles

Linkage, Recombination, and Eukaryotic Gene Mapping

Bacterial and Viral Genetic Systems

Chromosome Variation

DNA: The Chemical Nature of the Gene

DNA Replication

From DNA to Proteins: Transcription and Rna Processing

From DNA to Proteins: Translation

Control of Gene Expression

Gene Mutations, Transposable Elements, and Dna Repair

Molecular Genetic Analysis, Biotechnology, and Genomics

Cancer Genetics

Quantitative Genetics

Population and Evolutionary Genetics

Filters

Exam 3: Basic Principles of Heredity

In an experiment you do a chi-square test comparing observed and expected progeny.Your calculated chi square is 0.99.What does this mean?

If you were looking at a pedigree and noticed that a particular disease COULD be inherited from father to sons,what can you conclude?

Alternate forms of a gene are called

If T tallis dominant to t short),then what proportion of the progeny will be tall in the following cross: Tt × TT?

An organism has the genotype Rr and the phenotype R.This is known as the concept of

According to Mendel's second law,during meiosis the pea-plant genes for seed color and texture assort

When Mendel crossed two pure pea plants,one with green seeds and one with yellow seeds,the F1 progeny had

You are studying anemia.While looking at a pedigree you notice that the anemia phenotype is not present in a set of parents,but 1 out of their 5 children has anemia.What can you conclude about anemia?

The progeny of a cross between a pure white chicken and a pure black chicken are all gray.This is an example of

In Mendel's pea plants,how did he know that each F1 generation contained two alleles encoding different characteristics?

If an individual of genotype Aa is test-crossed,what is the genotype of the test-crossed individual?

Why was the pea plant an ideal plant for Mendel to use?

What is the probability that in the cross Aa Bb × aa Bb the progeny will be aa BB?

Introduction to Genetics

Chromosomes and Cellular Reproduction

Extensions and Modifications of Basic Principles

Linkage, Recombination, and Eukaryotic Gene Mapping

Bacterial and Viral Genetic Systems

Chromosome Variation

DNA: The Chemical Nature of the Gene

DNA Replication

From DNA to Proteins: Transcription and Rna Processing

From DNA to Proteins: Translation

Control of Gene Expression

Gene Mutations, Transposable Elements, and Dna Repair

Molecular Genetic Analysis, Biotechnology, and Genomics

Cancer Genetics

Quantitative Genetics

Population and Evolutionary Genetics

Filters