1.1.1 DNA and RNA are:
A - NSC Life Sciences - Question 1 - 2021 - Paper 2
Question 1
1.1.1 DNA and RNA are:
A. amino acids.
B. glucose.
C.enzymes.
D. nucleic acids.
1.1.2 Which ONE of the following is a product of meiosis?
A. Male cell
B.... show full transcript
Worked Solution & Example Answer:1.1.1 DNA and RNA are:
A - NSC Life Sciences - Question 1 - 2021 - Paper 2
Step 1
1.1.1 DNA and RNA are:
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Answer
DNA and RNA are classified as D. nucleic acids, which are essential for storing and transferring genetic information.
Step 2
1.1.2 Which ONE of the following is a product of meiosis?
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Answer
Meiosis produces gametes; hence, the answer is A. Male cell.
Step 3
1.1.3 An individual inheriting for a harmful recessive allele but is unaffected is:
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Answer
This individual is referred to as B. Carrier, as they carry the recessive allele but do not express it phenotypically.
Step 4
1.1.4 What is the person's blood group?
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Answer
The blood group can be A, B, AB, or O based on the genotype; specific allele combinations determine the blood type.
Step 5
1.1.5 Which ONE of the men is most likely to have been the father of the girl?
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Answer
To determine which man is the biological father, we analyze the genetic markers from the girl and the potential fathers. The man matching most closely with the girl’s DNA profile is the likely father.
