chapter 12.2 what is heredety.

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GENETICS

- scientific study of heredity
HEREDITY

-passing of traits from parents to offspring.
FERTILIZATION

- the process in sexual reproduction in which an egg cell and a sperm cell join to form a new cell.
PUREBRED

- an offspring of many generation that have the same form of a trait.
ALLELES

-different forms of a gene
DOMINANT ALLELE

-allele who's trait always shows up in an organism when an allele is present.
RESESIVE ALLELE

allele that is hidden when ever the dominant allele is present
HYBRID

an offspring of crosses that has two different alleles for trait