DP Biology (last assessment 2024)

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Question 22M.2.SL.TZ2.d

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Date May 2022 Marks available [Maximum mark: 2] Reference code 22M.2.SL.TZ2.d
Level SL Paper 2 Time zone TZ2
Command term Discuss Question number d Adapted from N/A
d.
[Maximum mark: 2]
22M.2.SL.TZ2.d

An oval-shaped stem cell cluster is shown in the micrograph.

[Source: Sontag, S., Förster, M., Seré, K. and Zenke, M., 2017. [online] Available at: https://bio-protocol.org/e2419 [Accessed
6 December 2019]. Source adapted.]

Discuss how the use of stem cells to treat hereditary diseases could affect the person who received the treatment and their progeny.

[2]

Markscheme
  1. could improve quality/length of life of the treated person;
  2. disease could still be passed on to progeny if defective gene/allele in gametes is not replaced/changed;

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