Meiosis

Meiosis

Ms. Cabrera

Multiple Choice

Before mitosis or meiosis can begin, DNA must go through Interphase. This is when...

• DNA replicates
• DNA splits
• DNA forms chromosomes
• Chromosomes cross over

Multiple Choice

Meiosis makes sperm and egg cells. In humans, sperm and egg cells each have _____ chromosomes. Therefore a fertilized human egg cell (sperm and egg cell combined) would create a cell with _____ chromosomes.

• 23, 46
• 46, 23
• 2, 4
• 50, 100

Multiple Choice

The result of meiosis is:

• two diploid cells
• two haploid cells
• four diploid cells
• four haploid cells

Multiple Choice

Why do we need meiosis?

• To double the number of chromosomes going into sex cells
• To halve the number of chromosomes going into sex cells
• To triple the number of chromosomes going into sex cells
• To not change the number of chromosomes going into sex cells

a

Multiple Choice

When does crossing over occur?

• Mitosis

• Prophase I

• Prophase II

• Anaphase I

Multiple Choice

Two copies of chromosomes that share similar genes, but may have different alleles are called:

• sister chromatids

• Chromie Homies

• Replicated chromosomes

• homologous chromosomes

Multiple Choice

Meiosis produces daughter cells that are:

• genetically identical

• genetically different

• zygotes

• germ cells