Sexual Reproduction Flashcards

0
Q

Haploid

A

A cell that contains only a single set of chromosomes and only a single set of genes

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1
Q

Homologous

A

Chromosomes that have a corresponding chromosome from the opposite sex parent

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2
Q

Diploid

A

A cell that contains both sets of homologous chromosomes

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3
Q

Meiosis

A

The number of chromosomes per cell is cut in half through the separation of homologous chromosomes on a diploid cell

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4
Q

Gametes

A

Specialized sex cell

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5
Q

Crossing over

A

Homologous chromosomes exchange portions of their chromatids

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6
Q

Gametogenesis

A

Process in which sperm and egg is produced

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7
Q

Spermatogenesis

A

Production of sperm

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8
Q

Oogenesis

A

Production of an egg

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9
Q

Polar body

A

Bud off from an oocyte

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10
Q

Zygote

A

Cell resulting from fertilization

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11
Q

Fertilization

A

Fusion of the sperm cell and the egg cell

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12
Q

Diploid

A

2n

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13
Q

Homologous pairs

A

They are similar in size and shape and control the same traits- 23 pairs of homologous chromosomes

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14
Q

Monoploid

A

N, half number of chromosomes

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15
Q

1st Division

A

Double stranded chromosomes form and become aligned side by side and attached together at their centromeres

16
Q

Tetrad

A

Two double stranded chromosomes

17
Q

Disjunction

A

Double stranded chromosomes separate and move to opposite poles

18
Q

2nd division

A

No replication of chromosomes occur,

Double stranded chromosomes line up at equator and centromeres divide