Question 1

Gregor Mendel proved that "independent units" are responsible for the inheritance of biological traits.

Accepted Answer

A) True 
 B)False

Question 2

Osteogenesis imperfecta is a dominant genetic disorder of connective tissue.

Accepted Answer

A) True 
 B)False

Question 3

An ideogram and a pedigree show almost the same information.

Accepted Answer

A) True 
 B)False

Question 4

One form of gene therapy uses bacteria-like DNA plasmids to carry therapeutic genes to a cell.

Accepted Answer

A) True 
 B)False

Question 5

Pseudogenes are gene fragments that can be reassembled to form a variety of polypeptides.

Accepted Answer

A) True 
 B)False

Question 6

A mutation caused by the loss of nucleotide bases in DNA sequence is called a deletion mutation.

Accepted Answer

A) True 
 B)False

Question 7

Chorionic villus sampling is a newer procedure than amniocentesis.

Accepted Answer

A) True 
 B)False

Question 8

One specific transcribed mRNA strand will always produce the same polypeptide.

Accepted Answer

A) True 
 B)False

Question 9

For an individual to have Down syndrome,one of the gametes had to have contained 24 chromosomes.

Accepted Answer

A) True 
 B)False

Question 10

The chromosome with the fewest number of genes is carried by about only half the population.

Accepted Answer

A) True 
 B)False

Question 11

The scientific study of inheritance is called genetics.

Accepted Answer

A) True 
 B)False

Question 12

Nondisjunction results in gametes that produce trisomy but not monosomy in the cells of offspring.

Accepted Answer

A) True 
 B)False

Question 13

Many of the polypeptides formed by encoded genes are enzymes that control and regulate chemical reactions in the cell.

Accepted Answer

A) True 
 B)False

Question 14

Disease genes never provide biological advantages for human populations,regardless of the circumstances.

Accepted Answer

A) True 
 B)False

Question 15

Genes are segments of DNA molecules.

Accepted Answer

A) True 
 B)False

Question 16

A person with heterozygous sex chromosomes is a female.

Accepted Answer

A) True 
 B)False

Question 17

The human genome contains about 200,000 genes.

Accepted Answer

A) True 
 B)False

Question 18

Cystic fibrosis commonly occurs among all ethnic groups.

Accepted Answer

A) True 
 B)False

Question 19

A strand of DNA wound around a histone is called a nucleosome.

Accepted Answer

A) True 
 B)False

Question 20

Crossing over increases genetic variation by forming new linkage patterns.

Accepted Answer

A) True 
 B)False

Exam 37: A: Genetics and Heredity

The scientific study of inheritance is called genetics.

Correct AnswerverifiedShow Answer

Disease genes never provide biological advantages for human populations,regardless of the circumstances.

Correct AnswerverifiedShow Answer

Many of the polypeptides formed by encoded genes are enzymes that control and regulate chemical reactions in the cell.

Correct AnswerverifiedShow Answer

Osteogenesis imperfecta is a dominant genetic disorder of connective tissue.

Correct AnswerverifiedShow Answer

Gregor Mendel proved that "independent units" are responsible for the inheritance of biological traits.

Correct AnswerverifiedShow Answer

One specific transcribed mRNA strand will always produce the same polypeptide.

Correct AnswerverifiedShow Answer

Pseudogenes are gene fragments that can be reassembled to form a variety of polypeptides.

Correct AnswerverifiedShow Answer

One form of gene therapy uses bacteria-like DNA plasmids to carry therapeutic genes to a cell.

Correct AnswerverifiedShow Answer

The human genome contains about 200,000 genes.

Correct AnswerverifiedShow Answer

Crossing over increases genetic variation by forming new linkage patterns.

Correct AnswerverifiedShow Answer

A strand of DNA wound around a histone is called a nucleosome.

Correct AnswerverifiedShow Answer

A mutation caused by the loss of nucleotide bases in DNA sequence is called a deletion mutation.

Correct AnswerverifiedShow Answer

Chorionic villus sampling is a newer procedure than amniocentesis.

Correct AnswerverifiedShow Answer

Cystic fibrosis commonly occurs among all ethnic groups.

Correct AnswerverifiedShow Answer

An ideogram and a pedigree show almost the same information.

Correct AnswerverifiedShow Answer

A person with heterozygous sex chromosomes is a female.

Correct AnswerverifiedShow Answer

The chromosome with the fewest number of genes is carried by about only half the population.

Correct AnswerverifiedShow Answer

Nondisjunction results in gametes that produce trisomy but not monosomy in the cells of offspring.

Correct AnswerverifiedShow Answer

Genes are segments of DNA molecules.

Correct AnswerverifiedShow Answer

For an individual to have Down syndrome,one of the gametes had to have contained 24 chromosomes.

Correct AnswerverifiedShow Answer

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