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Scinec Fertilization > Satges Of Sexual Teproduction > Flashcards

Satges Of Sexual Teproduction Flashcards

1
Q

What are the three stages?

A

Mating
Fertilization
Development

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2
Q

What is mating

A

Members of opposite gender come together at certain times of the year to reproduce, during the most favourite time of the year for optimal chance for survival of offspring (baby)

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3
Q

What is fertilization?

A

Gametes come together to form a zygote which will form into a embryo
Only one sperm to combine with a ovum (egg)

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4
Q

Development

A

Zygote will divide through mitosi to form a embryo

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5
Q

What are the two methods of fertilization?

A

Internal

External

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6
Q

External?

A

Sperm and egg combine outside of the body: salmon milt/sperm

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7
Q

Advantages of external fertilization

A

Little energy wasted to find a mate,

Late numbers of offspring are produced

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8
Q

Disadvantages of external fertilization?

A

Unprotected eggs, most young will not survive

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9
Q

Internal fertilization! What is it

A

Occurs inside the body

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10
Q

Advantages of internal fertilization?

A

Greater parental care for developing embryo and young

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11
Q

Disadvantages of internal fertilization?

A

More energy used in care

Fewer offspring

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12
Q

Embryonic development

A

Early development

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13
Q

Morula

A

First week of cell division

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14
Q

Blastula

A

Hollow ball is formed after second week, stem cells start to differentiate

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15
Q

Gastrula

A

Forms into three layers

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16
Q

What is artificial inseminaton

A

Collecting sperm and injecting it into a female

17
Q

What is in vitro fertilization? What

A

Eggs are removed from the ovaries and then mixed with sperm in a container (perry dish) the fertilized egg is hen inserted into the uterus
test tube baby

18
Q

What is gamete intrafallopion transfer

A

Eggs are removed and mixed with sorry, the mixture is injected into the fallopion tube

19
Q

Intracytoplasmic sperm injection

A

Single sperm injected into the egg

Scinec Fertilization (7 decks)

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