meiosis and genetics Flashcards

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1
Q

when does crossing over occur

A

prophase 1

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2
Q

when does meiosis produce

A

gamates

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3
Q

how many chromosomes are in a human gamate

A

23

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4
Q

when do cells replicate their data

A

s phase

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5
Q

what is DNA

A

the genetic code of organisms

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6
Q

how many genes does each chromosome have

A

1500

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7
Q

what are homologous chromosomes

A

set of chromosomes that are similar to one another

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8
Q

what happens in interphase one

A

a cell carries out a set of metabolic functions

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9
Q

what are haploid cells

A

describes the cell that has a single cell of chromosomes

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10
Q

what are the stages of meiosis

A

prophase, anaphase, telophase, metaphase

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11
Q

what is genetic variation

A

the difference of DNA In people

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12
Q

what is mutation

A

a change in the DNA sequence

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13
Q

what is meiosis

A

special type of cell division of germ cells in sexually reproducing organisms

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14
Q

sister chromatids

A

two halves of duplicated chromosome

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15
Q

diploid

A

cell that contains two sets of homologous chromosome.

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16
Q

meiosis

A

meiosis 1 is the first round of cell division, in which the goal is to separate homologous pairs

17
Q

meiosis ll

A

the second round of cell division in meiosis ll, in which the goal is to separate sister chromatids