Biology Study Guide 10.2

pairs, with pea plants.

gene

for certain traits.

Alleles

Dominant Trait

An observed trait that makes the recessive form of a trait.

Heterozyous

An organism's genotype when two alleles for a trait are different.

Homozygous

An organism's genotype when two alleles for a trait are the same.

to breed one plant with another.

Cross - Pollination

crosses.

Dihybrid

is the branch of biology that studies how traits are inherited.

Genetics

offspring result from parents that have different forms of alleles.

Hybrid

from generation to generation.

Inherited

states that genes for different traits are inherited independently of each other.

Law of Independent Assortment

states that every individual has two alleles when gametes are produced, each gamete receives one of these alleles.

Law of Segregation

A cross between plants that involves one characteristics is called a

Monohybrid

Among the seeds of the offspring

Phenotypic Ratio

occurs when a male gamete fuses with a female in the same flower.

Self - Fertilization

Genotype

The allele combination an organism contains.

Phenotype

The way an organism looks and behaves.

Recessive Trait

Trait that can be observed if the dominant trait is not present.

Both males and females sex cells

gametes