Question 1

Sex-linked genes are found onـــــــــــــــــــــــ .

Accepted Answer

A) the X chromosome only 
B) the Y chromosome only 
C) either the X or the Y chromosome 
D) the autosomes 
A) the X chromosome only 
B) the Y chromosome only 
C) either the X or the Y chromosome 
D) the autosomes C

Question 2

Homologous chromosomes contain the same genes for the same traits at the same loci.

Accepted Answer

A) True 
 B)False  True

Question 3

In the following genetic cross,Pp x Pp,what percentage of the offspring will have a recessive phenotype?

Accepted Answer

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

Question 4

Which statement is false?

Accepted Answer

A) Individuals who are heterozygous for a defective gene are carriers of the defective allele. 
B) Heterozygous individuals have the genetic disorder. 
C) Heterozygotes have two different alleles for the same trait. 
D) All of the above are false. 
A) Individuals who are heterozygous for a defective gene are carriers of the defective allele. 
B) Heterozygous individuals have the genetic disorder. 
C) Heterozygotes have two different alleles for the same trait. 
D) All of the above are false.

Question 5

Gametes are ــــــــــــــــــand somatic cells areـــــــــــــــــــــــ .

Accepted Answer

A) diploid;haploid 
B) haploid;diploid 
C) haploid;haploid 
D) diploid;diploid 
A) diploid;haploid 
B) haploid;diploid 
C) haploid;haploid 
D) diploid;diploid

Question 6

Aــــــــــــــــــــ allele determines the phenotype even when only one copy is present.

Accepted Answer

A) dominant 
B) recessive 
C) codominant 
D) homozygous 
A) dominant 
B) recessive 
C) codominant 
D) homozygous

Question 7

A triploid organism would haveـــــــــــــــــــــــ copies of all genes.

Accepted Answer

A) 0 
B) 1 
C) 2 
D) 3 
A) 0 
B) 1 
C) 2 
D) 3

Question 8

Sister chromatids occur followingـــــــــــــــــــــ .

Accepted Answer

A) gamete fusion 
B) cell division 
C) transcription 
D) replication 
A) gamete fusion 
B) cell division 
C) transcription 
D) replication

Question 9

Sex-linked genes only affect male carriers.

Accepted Answer

A) True 
 B)False

Question 10

Humans have ـــــــــــــــــــــــــــــchromosomes in the gametes.

Accepted Answer

A) 2 
B) 12 
C) 24 
D) 48 
A) 2 
B) 12 
C) 24 
D) 48

Sex-linked genes are found onـــــــــــــــــــــــ .

Homologous chromosomes contain the same genes for the same traits at the same loci.

In the following genetic cross,Pp x Pp,what percentage of the offspring will have a recessive phenotype?

Which statement is false?

Gametes are ــــــــــــــــــand somatic cells areـــــــــــــــــــــــ .

Aــــــــــــــــــــ allele determines the phenotype even when only one copy is present.

A triploid organism would haveـــــــــــــــــــــــ copies of all genes.

Sister chromatids occur followingـــــــــــــــــــــ .

Sex-linked genes only affect male carriers.

Humans have ـــــــــــــــــــــــــــــchromosomes in the gametes.

Cells and Organisms

DNA, RNA, and Protein

Genes, genomes, and DNA

Manipulation of Nucleic Acids

Polymerase Chain Reaction

Recombinant DNA Technology

DNA Sequencing

Genomics Systems Biology

Cell Division and DNA Replication

Transcription of Genes

Processing of RNA

Protein Synthesis

Protein Structure and Function

Proteomics

Regulation of Transcription in Prokaryotes

Regulation of Transcription in Eukaryotes

Regulation at the RNA Level

Analysis of Gene Expression

Plasmids

Viruses

Mobile DNA

Mutations and Repair

Recombination

Bacterial Genetics

Molecular Evolution

Filters

Exam 2: Basic Genetics

Sex-linked genes are found onـــــــــــــــــــــــ .

Homologous chromosomes contain the same genes for the same traits at the same loci.

In the following genetic cross,Pp x Pp,what percentage of the offspring will have a recessive phenotype?

Which statement is false?

Gametes are ــــــــــــــــــand somatic cells areـــــــــــــــــــــــ .

Aــــــــــــــــــــ allele determines the phenotype even when only one copy is present.

A triploid organism would haveـــــــــــــــــــــــ copies of all genes.

Sister chromatids occur followingـــــــــــــــــــــ .

Sex-linked genes only affect male carriers.

Humans have ـــــــــــــــــــــــــــــchromosomes in the gametes.

Cells and Organisms

DNA, RNA, and Protein

Genes, genomes, and DNA

Manipulation of Nucleic Acids

Polymerase Chain Reaction

Recombinant DNA Technology

DNA Sequencing

Genomics Systems Biology

Cell Division and DNA Replication

Transcription of Genes

Processing of RNA

Protein Synthesis

Protein Structure and Function

Proteomics

Regulation of Transcription in Prokaryotes

Regulation of Transcription in Eukaryotes

Regulation at the RNA Level

Analysis of Gene Expression

Plasmids

Viruses

Mobile DNA

Mutations and Repair

Recombination

Bacterial Genetics

Molecular Evolution

Filters