inheritance Flashcards
1
Q
where do you inherit your characteristics from
A
your DNA
2
Q
what is DNA
A
a chemical that stores information to make an organism
it is inherited from your parents and found in the nucleus of your cells
3
Q
what are chromosomes
A
chromosomes are long strands of DNA, inside the nucleus
4
Q
how many chromosomes do humans have
A
46 (23 from either parent)
5
Q
what is a gene
A
a gene is a section of DNA, a chromosome holds many genes
each gene holds information for a specific characteristic
6
Q
why do we have 46 chromosomes
A
both the sperm and egg cell contain 23 chromosomes. when both meet, their chromosomes join to make 46 chromosomes
7
Q
what scientific shape does DNA have
A
a double-helix shape
