A chromosome consists of _ chromatid (s), ___ centromere(s).

2,2

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1,2

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1,1

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2,1

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Solution

The correct option is D 2,1
A chromosome is made up of 2 chromatids which are joined together by the centromere. The two paired shorter sections of chromatid on one side of the centromere are called the p-arms of the chromosome, while the longer portions on the opposite side of the centromere are called the q-arms.

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Q. In the Metaphase stage of Mitosis, each chromosome consists of _____ chromatid (s), _______ centromere(s), _______kinetochore(s) and ______ unit(s) of DNA .

Question 6
A bivalent meiosis- I consists of
(a) two chromatids and one centromere
(b) two chromatids and two centromeres
(c) four chromatids and two centromeres
(d) four chromatids and four centromeres

Q. Separation of chromosome with associated chromatid at centromere occurs in?

Which of the following is correct about bivalent?

(i) Bivalents are tetrads.
(ii) A bivalent means 4 chromatids and 2 centromeres.
(iii) One bivalent consists of 2 homologous chromosomes.
(iv) Bivalents form in zygotene.

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A chromosome consists of _____ chromatid (s), _______ centromere(s).

A chromosome consists of _ chromatid (s), ___ centromere(s).