Lesson 2: Meiosis

Question 1

Question 1

Revolt · Accepted Answer

Chromosomes are lined up by spindle fibers.: metaphase II; Nuclear envelope forms around each set of DNA.: telophase II; Sister chromatids are pulled apart.: anaphase II; Centromeres move toward the poles of the cell.: prophase II

Question 2

prophase Imetaphase Ianaphase Itelophase I Homologous chromosome are paired.

Revolt · Accepted Answer

prophase I

Question 3

prophase Imetaphase Ianaphase Itelophase I Nuclear envelopes form around separated chromosomes.

Revolt · Accepted Answer

telophase I

Question 4

prophase Imetaphase Ianaphase Itelophase I Homologous chromosomes line up on the equator.

Revolt · Accepted Answer

metaphase I

Question 5

prophase Imetaphase Ianaphase Itelophase I Homologous chromosomes are separated.

Revolt · Accepted Answer

anaphase I; Selection 1: anaphase I; Selection 2: prophase I; Selection 3: telophase I; Selection 4: metaphase I

Question 6

prophase IImetaphase IIanaphase IItelophase II

Revolt · Accepted Answer

metaphase II; Selection 1: metaphase II; Selection 2: telophase II; Selection 3: anaphase II; Selection 4: prophase II

Question 7

Explain the relationship between crossing over and genetic variation.

Revolt · Accepted Answer

Crossing over exchanges genetic material between non-sister chromatids during meiosis, creating new combinations of genetic information. This genetic recombination produces variation that can be passed through generations, so offspring are not genetically identical.

Question 8

prophase IImetaphase IIanaphase IItelophase II

Revolt · Accepted Answer

telophase II

Question 9

prophase IImetaphase IIanaphase IItelophase II

Revolt · Accepted Answer

anaphase II

Question 10

prophase IImetaphase IIanaphase IItelophase II

Revolt · Accepted Answer

anaphase II

Lesson 2: Meiosis Answers

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