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GCSE BIO > B6: SEXUAL AND ASEXUAL REPRODUCTION > Flashcards

B6: SEXUAL AND ASEXUAL REPRODUCTION Flashcards

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1
Q

How many parents are involved in sexual reproduction?

A

2

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2
Q

Does sexual reproduction involve the fusion of gametes?

A

yes

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3
Q

Does sexual reproduction produce genetically identical/varied offspring?

A

genetically varied offspring

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4
Q

Does sexual reproduction involve mixing of chromosomes?

A

yes

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5
Q

In sexual reproduction does mitosis occur/meiosis occur/both?

A

both

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6
Q

What are examples of organisms that reproduce sexually?

A

-humans
-flowering plants

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7
Q

How many parents are involved in asexual reproduction?

A

1

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8
Q

Does asexual reproduction involve the fusion of gametes?

A

no

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9
Q

Does asexual reproduction produce genetically identical/varied offspring?

A

genetically identical offspring

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10
Q

Does asexual reproduction involve mixing of chromosomes?

A

no

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11
Q

In asexual reproduction does mitosis occur/meiosis occur/both?

A

mitosis

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12
Q

What are examples of organisms that reproduce asexually?

A

-bacteria
-amoeba
-spider plants

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13
Q

What are the advs of sexual reproduction?

A

-variation
-survival advantage by natural selection
-can be used by humans (selective breeding)

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14
Q

What are the disadvs of sexual reproduction?

A

-takes longer
-less energy efficient
-requires production of gametes
-requires a mate
-less offspring produced

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15
Q

What are the advs of asexual reproduction?

A

-only 1 parent needed/do not need to find a mate
-more time and energy efficient
-quicker
-many identical offspring can be produced in favourable conditions

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16
Q

What are the disadvs of asexual reproduction?

A

-no variation
-offspring susceptible to disease
-may result in poor survival
-unfavourable conditions would effect all offspring

17
Q

Why do fungi reproduce both sexually and asexually?

A

-reproduce sexually to generate variation
-reproduce asexually to release spores

18
Q

Why do plants reproduce both sexually and asexually?

A

-reproduce sexually to produce seeds
-reproduce asexually by sending out runners (eg: strawberry plants)/when bulbs divide (eg: daffodils)

19
Q

How do malarial parasites reproduce both sexually and asexually?

A

-reproduce sexually in host mosquito
-reproduce asexually in human host

GCSE BIO (58 decks)

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