inherited characteristics Flashcards

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1
Q

define a gene

A

a section of DNA found in a chromosome that codes for a specific polypeptide

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2
Q

define an allele

A

different versions of the same gene

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3
Q

define a locus

A

position of a gene or chromosome

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4
Q

what are the two types of homozygous alleles

A

homozygous dominant
homozygous recessive

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5
Q

give an example of homozygous dominant

A

AA

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6
Q

give an example of homozygous recessive

A

aaa

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7
Q

what is a hetrozygous allele

A

one of both dominant and recessive Aa

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8
Q

define codominance

A

combination of features or both features represented

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9
Q

give two examples of things that have multiple alleles

A

human blood (A,B,O)
hair colour

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