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(B) The given diagram shows a metaphase chromosome consisting of two sister chromatids.$1$. Centromere: It is the primary constriction point where the

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$1 - 2 - 4$

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(B) The given diagram shows a metaphase chromosome consisting of two sister chromatids.$1$. Centromere: It is the primary constriction point where the two sister chromatids are held together. In this diagram,there is $1$ centromere.$2$. Kinetochore: These are disc-shaped structures present on the sides of the centromere. Since there are two chromatids,there are $2$ kinetochores (one on each chromatid).$3$. Arms: The centromere divides the chromosome into arms. $A$ chromosome with two chromatids has $4$ arms in total.Therefore,the correct data is $1$ centromere,$2$ kinetochores,and $4$ arms.

The given diagram shows a chromosome. Which of the following data refers correctly to the chromosome?
No. of Centromere - No. of Kinetochore - No. of Arms

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The given diagram shows a chromosome. Which of the following data refers correctly to the chromosome?No. of Centromere - No. of Kinetochore - No. of Arms