Chapter 13.1

Question 1

Heredity/Inheritance

Answer 1

The transmission of traits from one generation to the next.

Question 2

Variation

Answer 2

The differences in appearance that offspring show from parents to siblings.

Question 3

Genetics

Answer 3

The study of heredity and inherited variation.

Question 4

Genes

Answer 4

Units of heredity.

Question 5

Alleles

Answer 5

Different versions of a gene.

Question 6

Gametes

Answer 6

Reproductive cells that transmit genes from one generation to the next.

Question 7

Somatic Cells

Answer 7

All cells of the body except the gametes.

Question 8

How many chromosomes do humans have in their somatic cells?

Answer 8

46

Question 9

Locus

Answer 9

A gene’s specific location along the length of a chromosome.

Question 10

Asexual Reproduction

Answer 10

A single individual is the sole parent, and passes copies of all of its genes to its offspring without the fusion of gametes.

Question 11

Clone

Answer 11

An individual or group of individuals that are genetically identical to the parent.

Occurs in Asexual Reproduction.

Question 12

Sexual Reproduction

Answer 12

Two parents produce an offspring that has a unique combination of their genes.