Skip to content

Course home

Sign up

Cloning and biotechnology

EasyMedium
12345678910111213141516
Question 10

Somatic cell nuclear transfer (SCNT) is an artificial cloning technique used to produce cloned mammals. Which of the following statements about SCNT are correct?

  1. The recipient egg cell must have its nucleus removed (enucleated) before the donor somatic nucleus is introduced.
  2. An electric shock is used to fuse the donor somatic cell with the enucleated egg cell and to stimulate the reconstructed cell to begin dividing.
  3. The cloned offspring is genetically identical to the somatic cell donor in both its nuclear and mitochondrial DNA.
A

Only 1

B

Only 1 and 3

C

Only 1 and 2

D

1, 2 and 3

Markscheme

Cloning and biotechnology Questions

  1. A Level
  2. /Biology
  3. /Cloning and biotechnology

39 exam-style questions on OCR A A Level Biology Cloning and biotechnology. Each one has a worked solution and a mark scheme showing where the marks go.

Question bank