Genes and Chromosomes Flashcards
1
Q
Identify the labels missing from the cell
A
Identify the labels missing from the cell
2
Q
What is found inside the nucleus of a cell?
A
Chromosomes
3
Q
How many chromosomes are found inside the nucleus of a human cell?
A
46
(23 pairs)
4
Q
What is a chromosome made from?
A
A long strand of DNA
5
Q
What do chromosomes carry?
A
Genes
6
Q
What is a gene?
A
A section of DNA
That controls a characteristic e.g. hair colour
7
Q
What does the diagram show?
A
A chromosome
8
Q
How many chromosomes does a sperm cell contain?
A
23
9
Q
How many chromosomes does an egg contain?
A
23
10
Q
Why does a human body cell contain 46 chromosomes?
A
23 chromosomes from the egg (mum)
23 chromosomes from the sperm (dad)