INCOMPLETE DOMINANCE KV FW 2023-24

INCOMPLETE DOMINANCE KV FW 2023-24

12th Grade

7 Qs

quiz-placeholder

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INCOMPLETE DOMINANCE KV FW 2023-24

INCOMPLETE DOMINANCE KV FW 2023-24

Assessment

Quiz

Biology

12th Grade

Hard

Created by

Sabitabrata Mandal

FREE Resource

7 questions

Show all answers

1.

FILL IN THE BLANK QUESTION

5 mins • 3 pts

Coat color in mice is incompletely dominant. Yellow and white-colored mice are homozygous, while cream-colored mice are heterozygous. If two cream-colored mice mate, what phenotypic ratio can we expect of their offspring? Show the Punnett Square.

2.

FILL IN THE BLANK QUESTION

5 mins • 3 pts

In radishes, red and white are pure-breeding colors, while hybrids are purple. If a red radish is crossed with a white radish, what will be the phenotype of the F2 generation (assuming the F1 generation self-pollinates)? Do the Punnett Square in rough copy. Answer format should be Colour - ___%

3.

FILL IN THE BLANK QUESTION

3 mins • 3 pts

In snapdragons, flower color is controlled by incomplete dominance. The two alleles are red (R) and white (W). The heterozygous genotype is expressed as pink. a) What is the phenotype of a plant with the genotype RR? ___________ b) What is the phenotype of a plant with the genotype WW? ___________ c) What is the phenotype of a plant with the genotype RW? ________ Ans. colour space colour space colour . all in small letter.

4.

FILL IN THE BLANK QUESTION

2 mins • 3 pts

A pink-flowered plant is crossed with a white-flowered plant. Show the Punnett Square. What is the probability of producing a pink-flowered plant? ____%

5.

FILL IN THE BLANK QUESTION

3 mins • 3 pts

In Andalusian fowls, black individuals (B) and white individuals (W) are homozygous. A homozygous black bird is crossed with a homozygous white bird. The offspring are all bluish-gray. Show the cross as well as the genotypes and phenotypes of the parents and offspring. Ans.letters (colour) *letters (colour) Offspring: letters (colour)

6.

FILL IN THE BLANK QUESTION

3 mins • 3 pts

What are the genotypic and phenotypic ratios if a black individual is crossed with a bluish-gray individual? Show the Punnett Square.Ans format. Genotype: _:_:_ Phenotype: _:_:_

7.

FILL IN THE BLANK QUESTION

3 mins • 3 pts

If two bluish-gray individuals were crossed, what would be the ratios for both phenotype and genotype of the offspring? Show the Punnett Square. Genotype: _:_:_Phenotype: _:_:_