Meiosis

Meiosis

Multiple Choice

Diploid means 2

• true

• false

Multiple Choice

sperm are diploid

• true

• false

Multiple Choice

Is chromosome #5 an autosome or a sex chromosome?

• autosome

• sex chromosome

Fill in the Blank

Diagram that shows number and appearance of chromosomes is called a _______________

Multiple Choice

The purpose of meiosis is to half the # of chromosomes

• true

• false

Multiple Choice

When does crossing over occur?

• prophase I

• metaphase II

• prophase II

• teloplase II

Fill in the Blank

Crossing ______ helps to increase genetic diversity

Poll

How many cells are there after the meiosis I?

• 1

• 2

• 3

• 4

Poll

How many cells are there after meiosis II?

• 1

• 2

• 3

• 4

Multiple Choice

Are the 4 cells identical after meiosis?

• yes

• no

Multiple Choice

Diploid Cells are represented by

• 2n
• n
• 4n
• 1/2 n

Multiple Choice

Females have ____ and males have _____ chromosomes.

• XX, XY
• XY, XX
• XX, XX
• XY, XY

Multiple Choice

A human zygote should have _____ chromosomes inside.

• 46
• 23
• 92
• 64

Multiple Choice

Crossing over helps promote 

• male genotype
• genetic variation
• DNA replication
• mitosis

Multiple Choice

What causes genetic variation in meiosis?

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

Multiple Choice

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

Multiple Choice

A male shark has 40 chromosomes in each of its sex cells. How many would be present in its body cells?

• 20
• 40
• 80
• 160

Multiple Choice

What is it called when a sperm and egg meet?

• meiosis

• fertilization

• cell division

• mitosis

Multiple Choice

What is it called when a sperm and egg meet?

• meiosis

• fertilization

• cell division

• mitosis

Open Ended

What questions do you still have about meiosis?

Open Ended

Who is the best student in the class?