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Higher Biology Unit 2🫧🌸 > KA1- Gamate Production and Fertilisation > Flashcards

KA1- Gamate Production and Fertilisation Flashcards

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1
Q

How is sperm formed?

A

It is formed from germline cells.

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2
Q

Where is sperm produced?

A

In the testes, at the seminiferous tubules.

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3
Q

Where is the hormone testosterone produced?

A

In the testes by the interstitial cells found in between the seminiferous tubules.

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4
Q

What is the function of testosterone?

A

Testosterone activates the prostate gland and seminal vesicles to secrete fluids.

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5
Q

What is the function of the fluids release by the seminal vesicles?

A

To maintain the mobility and viability of sperm.

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6
Q

What is the job of sperm duct?

A

Transport sperm from testes to the urethra.

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7
Q

What is the function of urethra?

A

Releases sperm and urine.

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8
Q

What is the function of cervix?

A

Muscular ring between vagina and uterus. Secretes cervical mucus, important in fertility.

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9
Q

What is the uterus?

A

Where the foetus develops during pregnancy.

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10
Q

What is the endometrium?

A

Wall of the uterus, where the embryo implants.

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11
Q

What happens in the oviduct?

A

Site of fertilisation.

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12
Q

What is produced in the ovaries?

A

Ova (egg).

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13
Q

From what is ova produced?

A

From germline cells.

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14
Q

What is each ovum surrounded by?

A

A follicle.

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15
Q

What is a follicle?

A

A small, fluid filled sac in an ovary that contains one immature ovum.

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16
Q

What is the role of the follicle?

A

To protect the developing ovum and secrete hormones.

17
Q

What happens when an ova is mature?

A

It goes through ovulation- release of an egg.

18
Q

What happens to the follicle?

A

Follicle develops into a corpus luteum, which secretes the hormone progesterone.

19
Q

What happens to the mature ova, after ovulation?

A

It is released into the oviduct, where they may be fertilised by a sperm to form a zygote.

20
Q

What is fertilisation?

A

Fertilisation is when the nucleus of a sperm fuses with the nucleus of an ovum.

Higher Biology Unit 2🫧🌸 (9 decks)

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