Which of the following are used to defin...

Which of the following are used to define the karyotype of a species
1. The number of chromosomes
2. The chromosome length
3. The positions of the centromeres

A

1,2 and 3 are correct

B

only 1 and 2 are correct

C

only 2 and 3 are correct

D

only 1 and 3 are correct

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The correct Answer is:

A

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