At the end of prophase:

Irregularly scattered positions

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A single centromere each

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Two chromatids each

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All of these

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Solution

The correct option is D
All of these

Prophase is the first stage of mitosis, during which the nuclear membrane disappears and the nuclear material resolves itself into chromosomes. At the end of Prophase, the chromosomes are organised haphazardly. They have one centromere each and are made up of a pair of chromatids.

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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

Choose the incorrect statement(s) regarding Metaphase of Mitosis.

I. Each chromosome splits up to form 2 chromatids.

II. The newly formed chromatids remain united at centromere on two different

kinetochores.

III. Has only one of unit of DNA from each parent.

IV. Spindle fibres attach to centromere to pull the chromatids toward the poles.

Q. Select the correct match.

	Anaphase	Prophase
$(1)$	Centromere divide	Nucleus and nuclear membrane reappear
$(2)$	Bouquet stage present	Synapsis present
$(3)$	Each chromosome with single chromatid	Each chromosome with two chromatids
$(4)$	Chromosomes moving towards the opposite poles	Chromosomes moved to spindle equator

Q. Choose the correct answers from the alternatives given :
The thread like structures that begin to radiate from each centromere by the end of prophase are

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

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