Chapter 6-Vocabulary

Question 1

Chromosome

Answer 1

A threadlike strand in the nucleus that controls cell activity and carries out genetic material to pass traits to offspring.

Question 2

Gene

Answer 2

A unit of genetic material that determines a trait.

Question 3

Genetics

Answer 3

The study of inheritance.

Question 4

Meiosis

Answer 4

Cell division that produces gametes or spores having on set of unpaired chromosomes.

Question 5

Mitosis

Answer 5

The process by which a cell nucleus divides into two identical nuclei.

Question 6

Mutation

Answer 6

A change in DNA or chromosomes; can occur in body and sex cells. Most mutations are not harmful.

Question 7

Nucleic Acid

Answer 7

Large organic molecules that store important information in the cell: the two types of nucleic acids in living cells are DNA and RNA.

Question 8

Replication

Answer 8

The copying process in which new DNA is created.

Question 9

X Chromosome

Answer 9

The longer sex chromosome. Females have two X chromosomes, males have one X chromosome and one Y chromosome.

Question 10

Y Chromosome

Answer 10

The shorter sex chromosome. Males have one X chromosome and one Y chromosome