Fertilisation Flashcards

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1
Q

What are gametes

A

gametes are reproductive cells, they join together to make a new organism.
Male gamete is a sperm cell
Female gamete is an egg cell

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2
Q

What is Fertilisation

A

This is when the nucleus of the sperm and the nucleus of the egg join together

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3
Q

What is cilia

A

They are tiny hairs on the surface of cells - the cilia waft the egg along the inside of the oviduct towards the uterus

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4
Q

Where do sperm cells meet an egg cell

A

Each ovary is connected to the uterus by an oviduct, the cilia moves the egg cilia along, each month an egg is released, from the ovary, the cilia wafts the egg along towards the uterus. The sperm is released into the vagina during sexual intercourse, they then swim towards the egg in the oviduct.

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5
Q

How do sperm cells reach the egg cell

A

Sperm cells swim from the vagina to the uterus, they enter the uterus through the cervix and travel to the oviduct. If a sperm meets an egg there fertilisation can happen. The fertilised egg divides several times to form an embryo. The embryo attaches to the lining of the uterus and begins to develop into a baby.

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6
Q

What is implantation

A

When an embryo attaches to the lining

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7
Q

What is ejaculation

A

The release of semen into the vagina

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