Vocab Genetics

Question 1

Inheritance determined by the interaction of two or more pairs of genes

Answer 1

Polygenic

Question 2

The hypothesis that a gamete receives only one member of a pair of genes

Answer 2

Principle of segregation

Question 3

The different forms of genes for a particular trait

Answer 3

Allele

Question 4

The gene that is not expressed when a dominant gene is present

Answer 4

Recessive

Question 5

The passing of traits from parents to their young

Answer 5

Heredity

Question 6

An organism in which the two genes for a given trait are alike

Answer 6

Homozygous

Question 7

The genetic makeup of an organism

Answer 7

Genotype

Question 8

Chromosomes other than sex chromosomes

Answer 8

Autosomes

Question 9

A chart that shows possible combinations of genes among offspring of a cross

Answer 9

Punnet square

Question 10

A genetic cross that involves one pair of contrasting traits

Answer 10

Monohybrid

Question 11

The outward appearence of an organism

Answer 11

Phenotype

Question 12

An organism in which the two genes for a given trait are different

Answer 12

Heterozygous

Question 13

A genetic cross involving two different sets of traits

Answer 13

Dihybrid

Question 14

A gene that prevents the expression of another gene

Answer 14

Dominant

Question 15

The branch of biology that deals with heredity

Answer 15

Genetics

Question 16

Previous events do not affect the probability of later occurancesof the same event

Answer 16

Rule of independent events

Question 17

The occurence of a number of genes on the same chromosome

Answer 17

Linkage

Question 18

A group of organisms that produce young that have only one form of trait in each generation

Answer 18

Pure line