Genetics

A genotype where only dominant alleles were passed on

from both parents for one trait

BB AA TT LL

• Homozygous Recessive

• Homozygous Dominant

• Dihybrid

• Heredity

Tags

NGSS.HS-LS3-1

A genotype where only recessive alleles

were passed on from both parents for one trait

bb aa tt ll

• Heredity

• Homozygous Dominant

• Homozygous Recessive

• Phenotype

Tags

NGSS.HS-LS3-1

genotype where one dominant and one recessive allele was passed on from both parents for one trait.

Bb Aa Tt Ll

• Allele

• Homozygous Dominant

• Homozygous Recessive

• Heterozygous

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The observable traits dictated by the genotype

• Phenotype

• Genotype

• Homozygous Recessive

• Homozygous Dominant

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The genetic cross between two parents for one trait:

Example BB x bb

B = dominant for brown

b = recessive for blue

• Incomplete Dominance

• Dihybrid Cross

• Monohybrid Cross

• Iron Cross

Tags

NGSS.HS-LS3-1

Which of the following is a heterozygous dominant genotype?

• GG

• gg

• GGG

• Gg

D = dimples        d = no dimples 
What is the genotype for a homozygous recessive offspring?

• DD

• Dd

• dd

Tags

NGSS.HS-LS3-1

What do you call the physical expression of a gene?

• genotype

• dominant

• phenotype

• allele

Tags

NGSS.HS-LS1-1

What is the genotype for an offspring with long hair?

• SS

• Ss

• ss

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

If a pea plant were homozygous recessive for height, how would its alleles be represented?

• TT

• Tt

• tt

• tT