chromosomes genes and dna Flashcards
1
Q
where are chromosomes found?
A
i’m the nucleas of all body cells
2
Q
what can you find inside chromosomes?
A
genetic information
3
Q
how many pairs of chromosomes are there in a human cell?
A
23 pairs
4
Q
what are chromosomes made up of?
A
a chemical called dna
5
Q
what does dna do?
A
carries genetic information
6
Q
what does dna code for?
A
different proteins in our bodies
7
Q
how is dna passed on?
A
dna is passed on from parents to their offspring during fertilisation
8
Q
how much of each parent is given to the offspring?
A
50% of each
