Basic Meiosis Review

Unlike mitosis, meiosis results in the formation of

• two genetically identical cells.

• four genetically identical cells.

• four genetically different cells.

• two genetically different cells

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 because they are the same size, shape, and carry the same type of genes.

• homozygous 
• sisters

• homologous
• daughters

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

What causes genetic variation in meiosis?

• chromosomes lining up in a single file line

• crossing over of chromosomes
• replication of DNA

• making 4 cells

A human zygote should have _____ chromosomes inside.

• 46
• 23
• 92
• 64

Is the following cell diploid or haploid?

• Diploid

• Haploid

Before mitosis or meiosis can begin, the cell must go through Interphase.

• True

• False

What is one reason why 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