Sex Chromosomes Flashcards

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1
Q

In humans, most mammals and _ females typically have xx

A

Plants

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2
Q

In humans, one of 23 pairs of of chromosomes is called a

A

Sex chromosome

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3
Q

Humans often inherit one _ from mother and one from father

A

Sex chromosome

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4
Q

All eggs carry _ chromosome

A

X

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5
Q

Half of sperm cells carry

A

X chromosome

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6
Q

In insects, half male sex cells have x resulting in

A

Female insect

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7
Q

Half insect male sex cells have no chromosome, resulting in _

A

Male insect

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8
Q

Human offspring have four unique combinations of _ that can be passed to offspring

A

X and y

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9
Q

In birds, female carry _ males carry _

A

ZW

ZZ

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10
Q

In many insects, females carry _ males carry _

A

XX

XO

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11
Q

In XO, O represents _

A

Lack of second chromosome

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