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1.1 Various options are provided as possible answers to the following questions.
Choose the answer and write only the letter (A–D) next to the question
numbers (1.1.1 to 1.1.9) in the ANSWER BOOK, e.g. 1.1.11 D.
This is how your instructions will be in the exam. For this exam practice, just select the correct answer.
1.1.1
The base pairing in DNA was discovered by …
1.1.2
A gene codes for the production of …
1.1.3
Which ONE of the following is a characteristic of stem cells?
1.1.4
The chances of having a female child in humans is …
1.1.5
Which ONE of the following is part of the reason why colourblindness is more common in males than in females?
1.1.6
The DNA profile of four individuals are given below.
Which individuals are possible members of the same family?
1.1.7 When two plants heterozygous for a characteristic are crossed,
the expected ratio is:
1.1.8
The diagram below represents the structure of chromosomes at
different stages of meiotic cell division.
Which ONE of the following chromosomes would be found in a cell
during late Anaphase II?
1.1.9
The scientist who discovered Little Foot is …