Based on the observations of the monohybrid cross, Mendel postulated the law of which distinguished dominant and recessive characters.
A
dominance
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B
recessiveness
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C
segregation
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D
assortment
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Solution
The correct option is A dominance Based on his observations of the outcome of the monohybrid cross, Mendel proposed two laws : Law of dominance and segregation.
According to the law of dominance, from a pair of two characters, the character that gets expressed itself is the dominant character and the one that is unexpressed is recessive. The recessive character can be only expressed when both alleles in the pair are recessives.
The law of segregation states that two alleles for each trait segregate during the formation of gametes.