An identical sister chromatids are present at
I. Beginning of prophase I
II. Beginning of metaphase I
III. End of telophase I

I only

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II only

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III only

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I and II

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II and III

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Solution

The correct option is A I only
Prophase 1 is the first stage of meiosis where the chromosome becomes visible (dense , thick, coiled) in leptotene stage of prophase 1. Each chromosome has identical sister chromatids. Thus, the correct answer is option A.

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Similar questions

Q. The sister chromatids of each chromosome are similar during
I. Beginning of prophase I
II. Beginning of metaphase I
III. End of telophase I

Q. Select the incorrect match regarding mitotic cell division.
(i) Prophase - Chromosomes to begin to uncoil
(ii) Metaphase - Chromatids move apart
(iii) Telophase - The nuclear membrane reappears
(iv) Late anaphase- Each chromosome consists of two anaphase chromatids
(v) Interphase - Chromosomes are not distinct

Q. Match the following columns w.r.t. mitosis and select the correct option.

	Column I		Column II
(a)	Prophase	(i)	Re-appearance of nuclear membrane
(b)	Metaphase	(ii)	Condensation of chromatin
(c)	Anaphase	(iii)	Separation of chromatids
(d)	Telophase	(iv)	Chromosomes align on equator

In which one of the following options the stages of mitosis have been given in correct sequence ?
(a) Prophase, metaphase, telophase, anaphase
(b) Prophase, metaphase, anaphase, telophase
(c) Anaphase, telophase, prophase, metaphase
(d) Telophase, anaphase, prophase, metaphase

Q. Match list I and list II and select the correct answer.

\begin{matrix} List I & List II (Phase of meiosis) & (Event that occurs) 1 & Prophase I & Crossing over occurs 2 & Metaphase II & Sister chromatids migrate to opposite poles 3 & Anaphase I & Homologous chromosomes line up at equator in pairs \end{matrix}

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An identical sister chromatids are present atI. Beginning of prophase III. Beginning of metaphase IIII. End of telophase I

The correct option is A I onlyProphase 1 is the first stage of meiosis where the chromosome becomes visible (dense , thick, coiled) in leptotene stage of prophase 1. Each chromosome has identical sister chromatids. Thus, the correct answer is option A.

An identical sister chromatids are present at
I. Beginning of prophase I
II. Beginning of metaphase I
III. End of telophase I

The correct option is A I only
Prophase 1 is the first stage of meiosis where the chromosome becomes visible (dense , thick, coiled) in leptotene stage of prophase 1. Each chromosome has identical sister chromatids. Thus, the correct answer is option A.