Conditions of a karyotype 2n + 1 and 2n + 2 is called

Aneuploidy

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Polyploidy

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Allopolyploidy

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Monosomy

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Solution

The correct option is A Aneuploidy
Failure of segregation of chromatids during cell division results in either gain or loss of chromosome or non-disjunction. This results in a condition called aneuploidy. There are 4 types of Aneuploidy

Monosomy : 2n – 1

Nullisomy : 2n – 2

Trisomy : 2n + 1

Tetrasomy : 2n + 2

Polyploid organisms have duplication of whole set of chromosomes: 3n, 4n ……

Allopolyploid individual has a chromosome set composed of two or more chromosome complements derived from different species.

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Similar questions

A =^{2 n} C_{0} .^{2 n} C_{1} +^{2 n} {C_{1}}^{2 n - 1} C_{1} +^{2 n} {C_{2}}^{2 n - 2} C_{1} + . . .

A

A =^{2 n} C_{0} .^{2 n} C_{1} +^{2 n} C_{1} .^{2 n - 1} C_{1} +^{2 n} C_{2} .^{2 n - 2} C_{1} + . . .,

A

1 - 2 n + \frac{2 n (2 n - 1)}{2!} - \frac{2 n (2 n - 1) (2 n - 1)}{3!} + . . . + (- 1)^{n - 1} \frac{2 n (n - 1) . . . (n + 2)}{(n - 1)}

= (- 1)^{n + 1} \frac{(2 n)}{2 (n!)^{2}},

(2 n + 1) \frac{λ}{2}

(2 n) λ

^{2 n} C_{1} +^{2 n} C_{3} +^{2 n} C_{5} + . . . . . +^{2 n} C_{n - 1} = 2^{2 n - 1}

^{2 n} C_{1} +^{2 n} C_{3} +^{2 n} C_{5} + . . . . . +^{2 n} C_{n - 1} = 2^{2 n - 2}

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