Neco 2017 Biology Question 2

Practice essay / theory question 2 from the 2017 Neco Biology examination. This question covers cell division, mitosis, meiosis .

Neco 2017 Biology Essay / Theory

Topics: cell division mitosis meiosis

Question 2 NECO • 2017 • BIOLOGY • essay

The labelled diagram shows a typical eukaryotic cell undergoing mitosis. Labels A–G correspond to structures or events as described in the diagram. Using the diagram, answer the following:

Question Parts

( a )

Identify the mitotic phase represented by each label (A, B, C, D, E, F, G).

( b )

Describe the key events that occur in each of the four phases of mitosis (Prophase, Metaphase, Anaphase, Telophase).

( c )

A diploid organism has a somatic chromosome number of 2n = 24. Calculate the number of chromosomes and chromatids present (i) at the start of anaphase and (ii) at the end of telophase.

( d )

Briefly compare mitosis with meiosis in terms of (i) number of daughter cells produced and (ii) chromosome number in each daughter cell.

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About This Question

This is Neco 2017 Biology Question 2. It is one of the essay questions from the 2017 Neco Biology examination.

The question covers cell division, mitosis, meiosis .

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