Traits

characteristics passed from parents

DNA

Genetic Blueprint

what does DNA stand for

Deoxyribonucleic Acid

Chromosome

storage unit of DNA

Gene

made up of DNA

how many chromosomes are in a human cell

46

how many EACH from mom and dad

23

Heredity

characteristics an organism receives from the parent

Genetics

study of heredity

Phenotype

traits you can see with your own eyes || physical characteristics or an organism

Genotype

genetic makeup of an organism

Dominant Allele

represented by a Capital letter + gene that is always expressed

Recessive Allele

represented by a Lower case letter + gene that is expressed only in the homozygous state

Allele

different forms of genes for a trait + gene received from Mom and Dad - located in the same spot

Homozygous

both alleles are the same (RR or rr)

Heterozygous

genotypes where the alleles are different (Rr)