Incomplete/Codominance/Sex-linked Traits

When one allele is dominant over the other.

• Complete dominance

• Incomplete dominance

• Codominance

• Sex-linked

Inheritance where the phenotype is blended

• Complete dominance

• Incomplete dominance

• Codominance

• Sex-linked

Inheritance where both phenotypes are expressed together

• Complete dominance

• Incomplete dominance

• Codominance

• Sex-linked

Traits carried on the sex chromosomes

• Complete dominance

• Incomplete dominance

• Codominance

• Sex-linked

Tags

NGSS.HS-LS3-1

Example: tall pea plants crossed with short pea plants. the offspring are all tall.

• Complete dominance

• Incomplete dominance

• Codominance

• Sex-linked

Tags

NGSS.HS-LS3-1

Example: red eyes crossed with blue eyes. The offspring have purple eyes.

• Complete dominance

• Incomplete dominance

• Codominance

• Sex-linked

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Example: black beetle crossed with a white beetle. The offspring are white with black spots.

• Complete dominance

• Incomplete dominance

• Codominance

• Sex-linked

What type of inheritance is color blindness? Males only need one allele to express the trait.

• Complete dominance

• Incomplete dominance

• Codominance

• Sex-linked

Genotype for a normal male

• X^AY

• X^aY

• X^AX^A

• X^AX^a

• X^aX^a

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Genotype for an affected male

• X^AY

• X^aY

• X^AX^A

• X^AX^a

• X^aX^a

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2