Meiosis

• INCREASES GENETIC VARIATION

• TAKES PLACE IN PROPHASE I

• CROSSING OVER

• ALL ARE TRUE

What is it called when a sperm and egg meet?

• meiosis
• fertilization
• cell division
• mitosis

Which process and type of resulting cells are represented?

• mitosis, gametes
• mitosis, body cells
• meiosis, gametes
• meiosis, body cells

The chromosomes that pair up during meiosis, are called __________ chromosomes.  

• homozygous 
• asexual
• homologous
• genes

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

Which letter(s) in the diagram correspond to cells that are haploid? 

• A
• B
• C
• B and C

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

Identify the phase.

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

Identify the phase:

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

After meiosis II the daughter cells will contain ____ chromosomes if the original cell contained 78.

• 78
• 39
• 23
• 46