Simple Inheritance and Monohybrid Crosses

An organism's obervable traits

• Appearance

• Phenotype

• Traits

• Genotype

Tags

NGSS.MS-LS4-4

An organism's combination of alleles

• Genotype

• DNA

• Traits

• Phenotype

Tags

NGSS.HS-LS3-2

NGSS.HS-LS4-3

Sort the following genotypes into the correct category

Groups:

(a) Heterozygous

,

(b) Homozygous recessive

,

(c) Homozygous dominant

• dd

• AA

• ee

• WW

• hh

• PP

• ww

• Hh

• Bb

• DD

• Cc

• Gg

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

What is the percentage of homozygous recessive offspring?

Tags

NGSS.HS-LS3-3

What is the percentage of heterozygous offspring?

Tags

NGSS.HS-LS3-3

Draw a Punnet square for a monohybrid test cross between two heterozygous parents.

Tags

NGSS.HS-LS3-3

The phenotypic ratio for the Punnet square shown is

Tags

NGSS.HS-LS3-1

The genotypic ratio for the Punnet square shown is

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

The percentage of homozygous recessive offspring is

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Using the alleles W and w, explain how different genotypes can result in the same phenotype.

Tags

NGSS.HS-LS3-1