the passing of physical characteristics from parent to offspring.

the scientific study of heredity

A new organism starts to form and the egg and sperm join.

the offspring of many generations that have the same traits

the factors that control a trait

the different forms of a gene (letters)

one who's traits always show up in the organism when the allele is present

is hidden when the dominant allele is present

has two different alleles for a trait

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4.1 Vocabulary terms

vocab 4.,2

Term	Definition
Heredity	the passing of physical characteristics from parent to offspring.
trait	Each form of characteristic
genetics	the scientific study of heredity
fertilization	A new organism starts to form and the egg and sperm join.
purebred	the offspring of many generations that have the same traits
gene	the factors that control a trait
alleles	the different forms of a gene (letters)
dominant allele	one who's traits always show up in the organism when the allele is present
recessive allele	is hidden when the dominant allele is present
hybrid	has two different alleles for a trait