Fertilisation Flashcards
1
Q
What is fertilisation?
A
The fusion of the male and female gametes
2
Q
What does fertilisation form?
A
Zygote
3
Q
What do ribosomes in animal cells make?
A
Protein
4
Q
What is inside the nucleus?
A
Chromosomes
5
Q
How many chromosomes do human gametes have?
A
23
6
Q
How many chromosomes are there in a zygote?
A
46 chromosomes in 23 pairs
7
Q
What do zygotes become?
A
An embryo
8
Q
What are chromosomes made of?
A
DNA
9
Q
What does DNA stand for?
A
DeoxyriboNuleic Acid
10
Q
What is the section of the DNA called?
A
Genes
11
Q
Describe chromosomes.
A
They’re thread-like structures that are stretched very long so we can’t see their structure.
12
Q
What happens at cell division?
A
The chromosome gets shorter and becomes visible.
13
Q
What do genes control?
A
the formation of a product.
