b6a- reproduction page one

Question 1

What is sexual reproduction? (2)

Answer 1

Involves the joining of male and female gametes
mixing of genetic info which leads to a variety in the offspring

Question 2

What is asexual reproduction?(2)

Answer 2

Involves only one parent and no fusion of gametes
No mixing of genetic info- leads to genetically similar offspring

Question 3

What is mitosis? (2)

Answer 3

Asexual reproduction
Identical cells formed

Question 4

What is meiosis? (2)

Answer 4

Involved in sexual reproduction
Non identical cells formed

Question 5

Sexual reproduction advantages (3)

Answer 5

Gametes are all different
If environment changes, variation gives a survival advantage by natural selection
Natural selection can be sped up by selective breeding

Question 6

Asexual reproduction advantages (3)

Answer 6

only needs one parent (faster)
more time and energy efficient as don’t need to find a mate
many identical offspring can be produced when conditions are favorable