reproduction Flashcards

You may prefer our related Brainscape-certified flashcards:
1
Q

what is sexual reproduction

A

sexual reproduction is where genetic information from two organisms is combined to produce offspring which are genetically different to either parents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
2
Q

How are gametes produces

A

meiosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
3
Q

Each gamete contains how many chromosomes

A

23

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
4
Q

why do offspring inherit a mixture of features from both parents

A

it received a mixture off chromosomes from its mum and dad

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
5
Q

a mixture of genetic infomation produces

A

variation in offspring

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
6
Q

another species that that can reproduce in this way is called a …

A

flowering plant.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
7
Q

fertilisation is …

A

the fusion of gametes (sperm and egg cells)

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
8
Q

asexual reproduction includes…

A

only one parent so the offspring are genetically identical

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
9
Q

Asexual reproduction happens via

A

mitosis

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
10
Q

in Asexual reproduction the new cell has…

A

exactly the same genetic material as the parents

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
11
Q

in asexual reproduction there are no fusion of … and no mixing of …

A

Gametes and chromosomes

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
12
Q

sexual reproduction has advantages over Asexual reproduction because…

A

it has higher chances to survive a change in environment due to variation

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
13
Q

Asexual reproduction has advantages over sexual reproduction as…

A

it uses less energy than sexual reproduction as organisms don’t need to find a a mate. This causes it to be quicker.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
14
Q

which organisms produce by both methods (sexual and Asexual)

A

malarial parasites, fungi and plants.

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
15
Q

the malaria parasite produces Asexually in…

A

a human host

How well did you know this?
1
Not at all
2
3
4
5
Perfectly
16
Q

the malaria parasite produces sexually in a …

A

Mosquito

17
Q

when fungi reproduce the produce …

A

spores which become fungi in suitable places.

18
Q

spores that are produced asexually are…

A

genetically identical to parent fungus

19
Q

sexually produced spores introduce…

A

variation which is often a response to a change in the environment

20
Q

what produces “Runners”

A

strawberry plants

21
Q

runners are…

A

stems that grow horizontally on the surface of the soil away from the plant.

22
Q

name a plant that grows from bulbs

A

Daffodils

23
Q

bulbs grow into…

A

identical plants

24
Q

new bulbs form…

A

of the main bulb. and divide off.