The Male Reproductive System - Sperm

Question 1

Are sperm produced by mitosis or meiosis?

Answer 1

They are produced by meiosis

Question 2

Are sperm-producing cells diploid or haploid?

Answer 2

They are diploid

Question 3

How many chromosomes do sperm-producing cells contain?

Answer 3

46

Question 4

What happens to sperm producing cells to produce sperm?

Answer 4

They divide by meiosis

Question 5

What are sperm cells also called?

Answer 5

Spermatozoa

Question 6

What are spermatozoa?

Answer 6

Sperm cells

Question 7

Are sperm cells haploid or diploid?

Answer 7

They are haploid

Question 8

Why are sperm cells haploid?

Answer 8

As meiosis halves the number of chromosomes i.e. the 46 chromosomes from the diploid sperm producing cells is halved to 23 (haploid)

Question 9

How many chromosomes do sperm cells contain?

Answer 9

They contain 23 chromosomes

Question 10

What are the four structures that make up a sperm cell?

Answer 10

An acrosome

A nucleus

A midpiece

A tail

Question 11

What is an acrosome?

Answer 11

An acrosome is the region of a sperm cell that contains enzymes that can digest the membrane of the egg

Question 12

What is the region of a sperm cell that contains enzymes that can digest the membrane of the egg called?

Answer 12

The acrosome

Question 13

What does the acrosome contain which allows it to digest the membrane of the egg?

Answer 13

It contains enzymes

Question 14

Why does the acrosome contain enzymes?

Answer 14

As the enzymes present allow the acrosome to digest the membrane of the egg

Question 15

What is found in the nucleus of a sperm cell?

Answer 15

23 chromosomes

Question 16

What does the midpiece of a sperm cell contain?

Answer 16

Many mitochondria

Question 17

What is the function of a sperm cell’s tail?

Answer 17

To allow the sperm to swim

Question 18

When are sperm cells first produced in the testes?

Answer 18

At the onset of sexual maturity called puberty

Question 19

What is puberty?

Answer 19

Puberty is the beginning of sexual maturity

Question 20

At what age does puberty usually occur in males?

Answer 20

At age 12 or 13

Question 21

When are sperm produced during a males lifetime?

Answer 21

They are continually produced throughout a male’s lifetime

Question 22

What process begins usually at age 12 or 13 in Males?

Answer 22

Puberty occurs and sperm production begins