Co-cominance and incomplete dominance tutoring quick review

Presentation

•

Science

•

9th Grade

•

Easy

•

NGSS

HS-LS3-1, HS-ESS2-2, HS-ESS3-1

Standards-aligned

Gordon Arrighi

Used 14+ times

FREE Resource

3 Slides • 9 Questions

Two Dominant alleles BLEND together and create an EVEN MIX of the two parents.

Incomplete Dominance

BOTH of the alleles show up, often leaving stripes or spots.

Co-Dominance

Match

Match the following

Co-Dominanance Chicken

Incomplete Dominance Chicken

Incomplete Dominance Punnet Square

Codominance Punnet Square

Labelling

This shows the Punnet Square for a certain pairing of horses. Determine the missing Parent's alleles.

Drag labels to their correct position on the image

Fill in the Blanks

Fill in the Blanks

Multiple Choice

A condition in which both alleles for a gene are expressed so that both traits are visible is known as ---

Codominance

Incomplete dominance

Multiple Choice

The blending of two traits is known as ---

incomplete dominance

codominance

Multiple Choice

Some flowers are controlled by codominance. Red flowers (RR), blue flowers (BB) and Speckled flowers (RB).

Cross a red flower with a speckled flower. What is the phenotypic ratio?

50% red, 50% speckled

25% red, 25% blue

100% blue

Square = Male
Circle = Female
Filled = has trait
Empty = no trait

Pedigrees

Parts of a
Pedigree

Unaffected

Female

Unaffected

Male

Mating

Offspring

Affected
female
offspring

Unaffected

male offspring

Multiple Choice

What does a filled in square represent?

Not affected Female

Not affected Male

Affected Male

Affected Female

Multiple Choice

Individuals that are shaded in have premature hair whitening. Is this trait dominant or recessive? How do you know?

Dominant because it skips generations

Dominant because it is present in every generation

Recessive because it skips generations

Recessive because it is present in every generation.

Two Dominant alleles BLEND together and create an EVEN MIX of the two parents.

Incomplete Dominance

BOTH of the alleles show up, often leaving stripes or spots.

Co-Dominance

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