5.5 Inheritance in Action Flashcards

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1
Q

How many pairs of chromosomes do human being have?

A

23

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2
Q

What are one pair of the human chromosomes?

A

Sex chromosomes

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3
Q

Female chromosomes?

A

XX

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4
Q

Male chromosomes?

A

XY

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5
Q

What are alleles?

A

Genes controlling the same characteristic

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6
Q

If an allele masks the effect of another it is said to be…?

A

Dominant

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