chromosomes, genes Flashcards
1
Q
why do we need cell divison?
A
so that is can replace dead/dying cells
to grow
to repare body parts
2
Q
how many chromosomes do you have in your DNA?
A
you have 46 pairs of chromosomes. half from your mum and half from your dad.
3
Q
what is a chromosome?
A
a long strand of coiled up DNA. you can find them in the nucleus.
4
Q
why are there no chromosomes in red blood cells?
A
because they do not have a nucleus.
5
Q
what is a gene?
A
it is a section of DNA that codes for a specific protein or characteristic.
