3-1 genetics vocab Flashcards Preview

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Flashcards in 3-1 genetics vocab Deck (9)
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1

Allele

The different forms of a gene

2

dominant Allele

An allele whose trait always shows up in the organism when the allele is present.

3

gene

A segment of dna on a chromosome that codes for a specific trait.

4

genetics

The scientific study of heredity.

5

heredity

The passing of traits from parents to of offspring.

6

hybrid

An organism that has two different alleles for a trait; an organism that is heterozygous for a particular trait.

7

purebred

An organism that always produces offspring with the same form of a trait as the parent.

8

recessive allele

An allele that is masked when a dominant allele is present.

9

trait

A characteristic that an organism can pass on to its offspring through its genes