Ch. 5 Vocab

Question 0

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

Answer 0

Dominant trait

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

One set of instructions for inherited trait

Answer 3

Gene

Question 4

Allele

Answer 4

One of the alternative forms of a gene that governs a characteristic

Question 5

An organism’s appearance of other detectable characteristics

Answer 5

Phenotype

Question 6

Genotype

Answer 6

The entire genetic makeup of an organism

Question 7

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

Answer 7

Probability

Question 8

Homologous chromosomes

Answer 8

Chromosomes that have the same sequence of genes and the same sructure

Question 9

A process in cell division during which the number of chromosomes decreases to half the original number by two divisions of the nucleus, which results in the production of sex cells

Answer 9

Meiosis

Question 10

Sex chromosomes

Answer 10

One pair of chromosomes that determine the sex of an individual

Question 11

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

Answer 11

Pedigree