HEREDITY
MONOHYBRID CROSS
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Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
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Tall plants are dominant over short plants. What is the phenotype ratio for the following cross?Tt X Tt
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100% tall, 0% short
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75% tall, 25% short
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50% tall, 50% short
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Explanation:
Detailed explanation-1: -Answer and Explanation: c. The phenotype ratio is 3:1 with 75% of plants that are tall and 25% of plants that are short.
Detailed explanation-2: -Answer and Explanation: The phenotypic characteristics of offsprings are that all the plants will be tall plants. TT is a tall plant. Tt will also be a tall plant.
Detailed explanation-3: -As given in the question, the ratio between tall and dwarf plants in the offspring is 1 : 1, hence, the genotype of the tall plant is Tt.
Detailed explanation-4: -100 % Hint: Heterozygous is a condition when there are two different traits of a particular gene.
Detailed explanation-5: -Final answer: The ratio of pure tall plants to short plants in F2 is 1:1.
There is 1 question to complete.