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BIOLOGY, M6 2025 HSC 16 MC

The diagram shows a process that was used to make multiple clones in sheep.

The identical offspring are clones of

  1. each other.
  2. only sheep B.
  3. the surrogates.
  4. both sheep A and sheep B.
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\(A\)

Show Worked Solution
  • A is correct: Embryo splitting produces offspring that are genetic clones of each other.

Other Options:

  • B is incorrect: Clones share genetics from both parents, not just sheep B.
  • C is incorrect: Surrogates provide environment only, no genetic contribution.
  • D is incorrect: Each clone is not identical to the parents; they’re identical to each other.

BIOLOGY, M6 2024 HSC 2 MC

Resin produced by spinifex grass has long been used by Aboriginal Peoples. Spinifex resin is currently used to produce medicinal creams.

What is this an example of?

  1. Biotechnology
  2. Selective breeding
  3. Artificial insemination
  4. Genetically modified organisms
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\(A\)

Show Worked Solution
  • This is an example of biotechnology because it involves using traditional knowledge to harness a biological resource (spinifex resin) for medicinal purposes.
  • This fits the broad definition of biotechnology as using biological systems or processes to create useful products.

\(\Rightarrow A\)