Biology 6.3-6.4

Front 1

Trait

Back 1

1 of 2 or more possible forms of a character; a recognizable feature or characteristic of an organism

Front 2

Genetics

Back 2

science of heredity and of the mechanisms by which trusts are passed from parents to offspring

Front 3

Purebred

Back 3

type of organism whose ancestors are genetically uniform also known as true breeding

Front 4

Cross

Back 4

mating of two organisms

Front 5

Law of Segregation

Back 5

Mendel's first law (1) organisms inherit 2 copies of genes 1 from each parent (2) organisms donate only one copy of each gene in their gametes because the genes separate during gamete formation

Front 6

Gene

Back 6

the most basic physical unit of heredity; a segment of nucleic acids that codes for a function unit of RNA and a protein

Front 7

Allele

Back 7

1 of the alternative forms of a gene that governs a characteristics, such as hair color

Front 8

Heterozygous

Back 8

describes an individual that carries 2 different alleles of a gene

Front 9

Homozygous

Back 9

describes an individual that has identical alleles for a trait on both homologous chromosomes

Front 10

Genome

Back 10

the complete genetic material contained in an individual or species