Mitosis vs Meiosis

Compared to the number of chromosomes contained in a body cell, how many chromosomes would normally be contained in a gamete?

• The same number
• One-fourth as many
• Twice as many
• Half as many

What causes genetic variation in meiosis?

• chromosomes lining up
• crossing over of chromosomes
• separation of chromosomes
• chromosomes pulling apart

A human zygote should have _____ chromosomes inside.

• 46
• 23
• 92
• 64

A human being has a somatic cell that has 46 chromosomes.  What is the haploid number found in a gamete?

• 23
• 46
• 69
• 92

Identify the phase:

• Metaphase I
• Metaphase II
• Anaphase I
• Anaphase II

Identify the phase.

• Metaphase I
• Metaphase II
• Anaphase I
• Anaphase II

Identify the process.

• Mitosis
• Meiosis I
• Meiosis II
• Interphase

The fertilized egg is termed a/an _____.

• gamete
• allele
• homolog
• zygote

In mitosis cells are genetically _______, but in meiosis cells are genetically ______.

• diverse, identical
• identical, diverse/different

When does replication of chromosomes occur in animal cell meiosis?

• Before Meiosis I and Meiosis II
• Before Meiosis II Only
• Before Meiosis I Only
• During Prophase I and Prophase II