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Biology: 41 - Human Reproduction > The Male Reproductive System - Sperm > Flashcards

The Male Reproductive System - Sperm Flashcards

1
Q

Are sperm produced by mitosis or meiosis?

A

They are produced by meiosis

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2
Q

Are sperm-producing cells diploid or haploid?

A

They are diploid

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3
Q

How many chromosomes do sperm-producing cells contain?

A

46

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4
Q

What happens to sperm producing cells to produce sperm?

A

They divide by meiosis

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5
Q

What are sperm cells also called?

A

Spermatozoa

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6
Q

What are spermatozoa?

A

Sperm cells

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7
Q

Are sperm cells haploid or diploid?

A

They are haploid

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8
Q

Why are sperm cells haploid?

A

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

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9
Q

How many chromosomes do sperm cells contain?

A

They contain 23 chromosomes

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10
Q

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

A

An acrosome

A nucleus

A midpiece

A tail

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11
Q

What is an acrosome?

A

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

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12
Q

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

A

The acrosome

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13
Q

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

A

It contains enzymes

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14
Q

Why does the acrosome contain enzymes?

A

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

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15
Q

What is found in the nucleus of a sperm cell?

A

23 chromosomes

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16
Q

What does the midpiece of a sperm cell contain?

A

Many mitochondria

17
Q

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

A

To allow the sperm to swim

18
Q

When are sperm cells first produced in the testes?

A

At the onset of sexual maturity called puberty

19
Q

What is puberty?

A

Puberty is the beginning of sexual maturity

20
Q

At what age does puberty usually occur in males?

A

At age 12 or 13

21
Q

When are sperm produced during a males lifetime?

A

They are continually produced throughout a male’s lifetime

22
Q

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

A

Puberty occurs and sperm production begins

Biology: 41 - Human Reproduction (33 decks)

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