Genetics Vocab Part 1- Genotypes and Phenotypes

Phenotype

Physical characteristics, Physical Appearance

Phenotype

(ex. Yellow Flower)

Phenotypes

Blue Eyes or Brown Eyes

Allele (gene)

Another name for gene (ex. A or a) {Represented by letters.}

Dominant allele

(ex. B) Allele that masks other alleles

Dominant allele

Capital letters represent

Recessive allele

(ex. a) Allele that is hidden by dominant alleles. Phenotype only visible in homozygous individuals.

Recessive allele

lower case letters represent

Genotype

The two alleles you get from your parents.

Genotype

Represented by 2 letters

homozygous genotype

If both alleles in a genotype are the same

Homozygous Genotype

AA, bb,

Heterozygous Genotype

Genotype where the two alleles are different.

Heterozygous Genotype

Dd, pw

heterozygous genotype

If both alleles in a genotype are different

Dominant

If Brown hair is ___________ to blond hair than a Heterozygous child will have brown hair.

Phenotype

6 toes

Gamete

Pollen

Gamete

Egg

Homozygous Genotype

When the sperm and the egg have the same allele

Gamete

Sperm

Recessive

If blue eyes is ___________ compared to brown eyes than a Heterozygous child will have brown eyes.

Phenotype

If B is dominant to b then BB and Bb will result in the same __________________.

Hybrid

Another word for heterozygous

Pure Breeding (Pure Breed)

Another word for homozygous

Allele(s)

(ex. A or a if dominant), (ex. p or w if co-dominant)