Nat5 Biology Unit 2 Multicellular Organisms Key Area 3 Reproduction Flashcards

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1
Q

Which cells are are haploid?

A

Gametes, because they only have one set of chromosomes

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2
Q

Which cells are diploid

A

All cells, (except gametes) because they have two sets of chromosomes

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3
Q

What is the name of the sex cells in human females?

A

Ova (egg)

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4
Q

What is the name of the organ that produced sex cells in human females

A

Ovary

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5
Q

What is the name of the sex cell in human males?

A

Sperm

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6
Q

What is the name of the organ that produces sex cells in human males?

A

The Testis

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7
Q

Where does fertilization occur?

A

In the Oviducts

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8
Q

What structure contains female sex cells in plants? (What is the sex cell)

A

The Ovule

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9
Q

What is the name of the organ producing female sex cell in plants?

A

The Ovary

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10
Q

What structure contains male sex cells in plants? (What is the sex cell)

A

Pollen grain

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11
Q

What is the name of the organ producing male sex cell in plants?

A

The Anther

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12
Q

How does fertilization occur in humans?

A

When the sperm’s nucleus fuses with the egg’s nucleus and this produces a single cell called a zygote which has two sets of chromosomes (diploid) and divides to form an embryo

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13
Q

Fertilization is a…

A

rAnDoM pRoCeSs

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14
Q

What are the different parts of the sperm cell?

A

The enzyme packet, the ‘head’ which contains the nucleus, the neck and the tail

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15
Q

What are the different parts of the egg cell?

A

The nucleus, the cytoplasm, the cells membrane, and the jelly layer

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