Meiosis.

Front 1

Segments of DNA on a chromosome:

Back 1

Genes

Front 2

Number of chromosomes human body cells have:

Back 2

46

Front 3

Mumber of chromosomes each parent cell (sperm or egg) contributes:

Back 3

23

Front 4

Chromosomes that make up a pair (one chromosome from each parent that codes for a trait):

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Homologous

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Sex cells:

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Gametes

Front 6

Reduction-division process that forms gametes; involved in genetic variation in organisms:

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Meiosis

Front 7

Cells carry out various metabolic processes including the replication of DNA and the synthesis of proteins:

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Interphase

Front 8

Homologous chromosomes separate and migrate toward opposite poles:

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Anaphase I

Front 9

Chromosomes become visible, nuclear envelope breaks down, and crossing-over occurs:

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Prophase I

Front 10

Pairs of homologous chromosomes move to the equator of the cell:

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Metaphase I

Front 11

Sister chromatids are pulled apart at the centromere by the spindle fibers and move toward opposite poles:

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Anaphase II

Front 12

The end result of meiosis:

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4 unidentical cells

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meiosis

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2 sets of divisions

Front 14

Organism inherits all of its chromosomes from a single parent:

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Asexual reproduction

Front 15

Exchange of genetic material in chromosomes which causes genetic variation in meiosis:

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Crossing over

Front 16

A form of cell division that halves the number of chromosomes when forming gametes:

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Meiosis

Front 17

Having only one chromosome of each homologous pair:

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Haploid

Front 18

A cell that contains both chromosomes of a homologous pair:

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Diploid

Front 19

A diploid cell that results from the fusion of gametes:

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Zygote

Front 20

Homologous chromosomes move to opposite poles of the cell:

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Anaphase I

Front 21

Chromosomes gather at the poles of the cell followed by cytokinesis forming diploid daughter cells:

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Telophase I

Front 22

A new spindle forms and moves to opposite poles of the cell:

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Prophase II

Front 23

Chromosomes line up at the equator:

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Metaphase II

Front 24

Centromeres divide and chromatids move to opposite poles of the cell:

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Anaphase II

Front 25

Nuclear envelope forms around each seet of chromosomes followed by cytokinesis forming haploid daughter cells:

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Telophase II

Front 26

The random distribution of homologous chromosomes during meiosis:

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Independent assortment

Front 27

A form of asexual reproduction used by prokaryotes:

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Binary fission

Front 28

Is a single-celled organism that lacks a membrane-bound nucleus (karyon), mitochondria, or any other membrane-bound organelles:

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prokaryote

Front 29

The process in which gametes join to form a diploid zygote:

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Fertilization