genetics vocabulary

the genetic make-up; the alleles (letters)

• genotype

• phenotype

the physical or visible appearance of an organism; a trait we can see

• genotype

• phenotype

blue eyes, curly hair

• genotype

• phenotype

Tt, BB, rr

• genotype

• phenotype

the different forms of a trait that make up a gene, R OR r

• allele

• dominant

• recessive

purebred; the same gene pair

• homozygous

• heterozygous

hybrid; a different gene pair

• homozygous

• heterozygous

TT, tt

• homozygous

• heterozygous

Rr, Ff

• homozygous

• heterozygous

BB, RR, TT

• heterozygous

• homozygous dominant

• homozygous recessive