Chapter 5

Question 0

Dominant trait

Answer 0

The trait observed in the first generation when parents that have different traits are bred.

Question 1

Heredity

Answer 1

The passing of genetic traits from parent to offspring.

Question 2

Recessive Trait

Answer 2

A trait that reappears in the second generation after disappearing in the first generation when parents with different traits are bred.

Question 3

Gene

Answer 3

One set of instructions for an inherited trait.

Question 4

Allele

Answer 4

One of the alternative forms of a gene that governs a characteristic, such as hair color.

Question 5

Phenotype

Answer 5

An organism’s appearance or other detectable characteristics.

Question 6

Genotype

Answer 6

The entire genetic makeup of an organism; also the combination of genes for one or more specific traits.

Question 7

Probability

Answer 7

The likelihood that a possible future event will occur in any given instance of the event.

Question 8

Homologous chromosomes

Answer 8

Chromosomes that have the same sequence of genes and the same structure.

Question 9

Meiosis

Answer 9

A copying process that procedures cells with half the usual number of chromosomes.

Question 10

Sex chromosomes

Answer 10

One of the pair of chromosomes that determine the sex of an individual.

Question 11

Pedigree

Answer 11

A diagram that shows the occurrence of a genetic trait in several generations of a family.