Reproduction Flashcards

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1
Q

What does it mean by body cells are diploid?

A

each cell has two matching sets of chromosomes

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2
Q

What does it mena by gametes or sex cells are haploid?

A

Each cell has one set of chromosomes

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3
Q

What are the two sex cells called?

A

Sperm and egg

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4
Q

How many sets of chromosomes do gametes have?

A

1 set (haploid)

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5
Q

How many sets of chromosomes do all body cells have?

A

2 sets (diploid)

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6
Q

What are the female reproductive organs?

A

Ovary, oviduct, uterus, cervix, vagina

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7
Q

What is the function of an ovary in the female system?

A

Produces eggs which contain female nucleus

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8
Q

What is function of the oviduct?

A

Where fertilisation occurs

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9
Q

What is the function of the uterus?

A

Where the embryo develops

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10
Q

What is the function of the cervix?

A

Ring of muscle, remains contracted during pregnancy

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11
Q

What is the function of a vagina?

A

Sperm are deposited here

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12
Q

What are the male reproductive organs?

A

Urethra, penis, sperm duct, testicle

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13
Q

What is the function of a testicle?

A

Sperm produced here and the sperm contain the male nucleus

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14
Q

What isthe function of a sperm duct?

A

Sperm travel along this tube from the testis to the urethra

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15
Q

What is the function of the urethra?

A

Tube through which sperm/urine leaves the body

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16
Q

How is the sperm adapted?

A

The sperm has a tail to swim to the egg

17
Q

How is the egg adapted?

A

The egg has a food store to provide energy for cell division/mitosis

18
Q

What is the function of a stamen?

A

Consists of anther and filament ( male part of flower)

19
Q

What is the function of a anther?

A

Produces pollen ( male gamete- contains male nucleus)

20
Q

What is the function of a stigma?

A

Where pollen lands

21
Q

What is the function of an ovary in plants?

A

Contains ovules ( female gamete- contains female nucleus)

22
Q

What is the plant male gamete?

A

pollen

23
Q

What is the female gamete of a plant?

A

ovule

24
Q

Which two parts make up the male stamen?

A

Anther and filament

25
Q

What is fertilisation?

A

When the nucleus from the male gamete and the nucleus from the female gamete fuse to form a zygote

26
Q

In mammals where is the male nucleus found?

A

Sperm

27
Q

In mammals where is the female nucleus found?

A

Egg

28
Q

In mammals where does fertilisation occur?

A

Ovaduct

29
Q

In plants where does fertilisation occur?

A

Ovary

30
Q

Give the term used for the chromosome complement in a zygote produced by the flower

A

Diploid

31
Q

What is a zygote

A

A fertilised egg

32
Q

What is the function of penis

A

structure which provides the means of sperm entering the vagina during intercourse