11.1 Flashcards by Aidan Lawson

Q

What is a genotype?

A

the allele combination

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Q

What does homozygous mean?

A

the same allele twice AA, aa

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Q

What does heterozygous mean?

A

2 different alleles Aa

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Q

What is phenotype?

A

The physical trait alleles produce

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Q

What is a genotypic ratio?

A

ratio of alleles to alleles

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Q

What is a phenotypic ratio?

A

Ratio of trait to trait

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Q

What is dominant?

A

Only 1 allele is needed to produce trait

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Q

What is recessive?

A

Two alleles needed to acheieve trait

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Q

What is codominance?

A

Heterozygous alleles that produce a third phenotype.

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