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2.1 Supplying the cell

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Question 1

A cell in the shoot tip of a maize plant completes mitosis, although one of its chromosomes was not copied during DNA replication.

Why can this division not produce two genetically identical daughter cells?

[1]
A

The chromosome that was not copied would be left outside both new nuclei.

B

Each daughter cell would receive half of the chromosome that was not copied.

C

Only one daughter cell could receive the chromosome that was not copied.

D

One daughter cell would receive both copies of every chromosome that was copied.

Markscheme

2.1 Supplying the cell Questions

  1. GCSE
  2. /Biology
  3. /2.1 Supplying the cell

194 exam-style questions on OCR GCSE Biology 2.1 Supplying the cell, covering 2.1.1 Transport across cell membranes, 2.1.2 Mitosis and the cell cycle, 2.1.3 Importance of cell differentiation, and 2.1.4 Stem cells. Each one has a worked solution and a mark scheme showing where the marks go.

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