2025 DNA

number of chromosomes in human gamete cells

23

gamete cell

reproductive cell containing a 1/2 set of DNA

DNA

molecule that contains the instructions for an organism

gene

section of DNA that codes for a certain instruction

number of chromosomes in every human body cell

46

genome

complete set of DNA in an organism

nucleotide

base unit of DNA

mutation

a change in the order of DNA nucleotides

chromosome

tightly wound package of DNA in the nucleus

nucleotide pairs

AT, CG

sexual reproduction

two parents that combine their genetic material to produce a new organism that is different from both parents

asexual reproduction

one parent clones itself and produces identical offspring