Which one of the following can be explained on the basis of Mendel’s Law of Dominance? A. Out of one pair of factors one is dominant and the other is recessive. B. Alleles do not show any expression and both the characters appear as such in F2 generation. C. Factors occur in pairs in normal diploid plants. D. The discrete unit controlling a particular character is called factor. E. The expression of only one of the parental characters is found in a monohybrid cross.

Options

1. A, C, D and E only
2. B, C and D only
3. A, B, C, D and E
4. A, B and C only

Correct Answer

A, C, D and E only

Explanation

Mendel’s law of dominance states that one factor (allele) in a pair may mask the expression of the other. Factors occur in pairs, control traits, and only one parental trait is expressed in the F1 generation.

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