Fertilisation

Question 1

What does fertilisation mean?

Answer 1

The process when 2 gametes (sperm & egg) produced by 2 parents meet at fertilisation and their nuclei join combining their chromosomes

Question 2

What can the male gamete do that the female can’t?

Answer 2

Move as they are tiny and can swim because they have a tail
Female eggs are larger and don’t move by themselves

Question 3

Why is a fertilised egg unique?

Answer 3

Chromosomes that form the new individual come from different parents the fertilised eggs is unique

Question 4

What does sexual reproduction result in?

Answer 4

Variation which is important for survival

Question 5

What are the 2 types of fertilisation called?

Answer 5

Internal and external fertilisation

Question 6

What do chromosomes carry?

Answer 6

Genetic information

Question 7

When does fertilisation occur?

Answer 7

When sperm meets egg and their nuclei fuse together combining their chromosomes

Question 8

What is genetic info organised into?

Answer 8

Genes

Question 9

What are genes?

Answer 9

Instructions for building a new individual

Question 10

Where can fertilisation happen?

Answer 10

Inside and outside the body