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Multiple Choice

The diagram summarizes two stages in the production of the specialized cells used for sexual reproduction.
What happens in the stage labeled "process 2"?

• The chromosomes cross over.
• Th chromosomes number is reduced by half.
• The chromosomes move to opposite end of the cell.
• Four identical gametes form.

Reorder

Reorder the following steps of MITOSIS in correct order from BEGINNING to the END.

• Prophase

• Metaphase

• Anaphase

• Telophase

1

2

3

4

• 1
• 2
• 3
• 4

Multiple Choice

How does meiosis contribute to genetic diversity?

• By duplicating chromosomes

• By ensuring daughter cells are identical

• Through crossing over and independent assortment

• By producing cells with the same number of chromosomes as the parent cell

Multiple Choice

Describe the process of anaphase I in meiosis.

• Sister chromatids separate and move to opposite poles of the cell.

• The cell divides into two daughter cells.

• The chromosomes replicate.

• Homologous chromosomes separate and move to opposite poles of the cell.

Multiple Choice

What happens to chromosomes during Prophase II?

• They condense again in haploid cells

• They replicate

• They align at the equatorial plane

• They separate into sister chromatids

Multiple Choice

What is the outcome of Telophase II and cytokinesis in meiosis?

• Formation of two diploid cells

• Formation of four haploid cells

• Formation of one diploid cell

• No cell division occurs

Multiple Choice

What are the primordial germ cells and where do they originate?

• They originate in the mesoderm

• They originate in the epiblast

• They originate in the yolk sac

• They originate in the dorsal mesentery

Multiple Choice

Spermatids contain ______ chromosomes.

• 16

• 20

• 23

• 36

• 46

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