MHT CET Biology question

Biology Principles of Inheritance and Variation MHT CET

When the chromosome number of a given organism has one additional chromosome in one of the homologous pairs, the condition is known as

(A)TrisomyCorrect
(B)Monosomy
(C)Polyploidy
(D)Nullisomy

Answer: (A)

Solution

2n + 1 (one extra chromosome in a pair) is trisomy; monosomy is 2n - 1, nullisomy

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Question ID VK-059445