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Simple, Incomplete, and Codominance Genetics

Authored by Thomas Walsh

Biology

9th Grade

NGSS covered

Used 5+ times

Simple, Incomplete, and Codominance Genetics
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29 questions

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1.

FILL IN THE BLANK QUESTION

1 min • 1 pt

Punnett Squares are used to show the possibility of inheriting a single trait. Each parent has two alleles for a trait but will only pass on ________ of the alleles.

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

2.

DRAW QUESTION

5 mins • 1 pt

In the P generation, a homozygous dominant tall pea plant was crossed with a homozygous recessive short pea plant. Show the cross below and write the genotypes and phenotypes of the F1 generation.

Media Image

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

3.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

If you cross 2 heterozygous two pea plants for height, what are the genotypes and phenotypes of the offspring?

Genotypes: 25% TT, 50% Tt, 25% tt

Phenotype: 75% Tall, 25% Short

Genotypes: 50% TT, 25%% Tt, 25% tt

Phenotype: 75% Tall, 25% Short

Genotypes: 0% TT, 50% Tt, 50% tt

Phenotype: 50% Tall, 50% Short

Genotypes: 100% TT, 0% Tt, 0% tt

Phenotype: 0% Tall, 100% Short

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

4.

DRAW QUESTION

3 mins • 1 pt

Incomplete Dominance Practice Problem Answer: A red snapdragon flower was crossed with a pink snapdragon flower. Complete the cross and determine the genotypes and phenotypes of the offspring. (Refer to the provided diagram for genotypes and phenotypes)

Media Image

Tags

NGSS.HS-LS3-1

5.

DRAW QUESTION

3 mins • 1 pt

Codominance Example: A white flower was crossed with a red and white flower. Complete the cross and determine the genotypes and phenotypes of the offspring.

Media Image

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

6.

DRAG AND DROP QUESTION

1 min • 1 pt

Media Image

Incomplete dominance occurs in cats, which allows them to be Black, White, or gray as shown on this Punnett square. The percentage of the offspring that will be white is (a)   .

25
50
0
100

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

7.

MATCH QUESTION

2 mins • 3 pts

Media Image

Match the following: Referencing the graphic above, read the rows in the table below which describe crosses between flowers in the incomplete dominance situation described in the graphic.  Match the correct color for each one.

pink

Two white-flowered parents reproduce. What color will 100% of the offspring be?

white

Two red-flowered parents reproduce. What color will 100% of the offspring be?

red

Two pink-flowered parents reproduce. What color will 50% of the offspring be?

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