dna and inheritance Flashcards
1
Q
what is a chromosome
A
long coiled up length of dna
2
Q
what is a gene
A
short section of dna
3
Q
what is a dna
A
long list of chemical instructions on how to build an organism
4
Q
what is heridity
A
the process where the genes are passed down from parents to offspring
5
Q
how many chromosomes do sex and body cells have
A
23 and 46
6
Q
what does the baby inherit a mixture of
A
the parents genes and characteristics
7
Q
what is a double helix
A
a spiral made of two chains wound together
