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प्रश्न
Assertion (A): In humans, if gene (B) is responsible for black eyes and gene (b) responsible for brown eyes, then the colour of eyes of the progeny having gene combination Bb, bb or BB will be black only.
Reason (R): The black colour of the eyes is a dominant trait.
विकल्प
Both (A) and (R) are true and (R) is the correct explanation of (A).
Both (A) and (R) are true but (R) is not the correct explanation of (A).
(A) is true, but (R) is false.
(A) is false, but (R) is true.
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उत्तर
(A) is false, but (R) is true.
Explanation:
Brown eyes will result from the bb combination. Due to the dominance of the trait Black eyes (B).
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संबंधित प्रश्न
Mention whether the cross is a monohybrid or dihybrid.
What is a monohybrid cross? How did Mendel perform this cross?
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Which type of plants was missing in the F1 generation but reappeared in the F2 generation?
Differentiate between inherited and acquired characters. Give one example for each type.
Give reasons why acquired characters are not inherited.
A monohybrid cross is a genetic cross in which how many pair(s) of contrasting characters is/are studied?
What is the genotype of the pure tall plant selected in the experimental sequence?
What is the genotype of the pure dwarf plant selected in the experimental sequence?
