Gce Model Questions Vol1 2019 Biology Question 10

Practice essay / theory question 10 from the 2019 Gce Model Questions Vol1 Biology examination. This question covers DNA Replication, Mendelian Genetics, Population Genetics, Genetic Engineering .

Gce Model Questions Vol1 2019 Biology Essay / Theory
Topics: DNA Replication Mendelian Genetics Population Genetics Genetic Engineering
Question 10 GCE_MODEL_QUESTIONS_VOL1 • 2019 • BIOLOGY • essay

Answer the following questions on genetics and inheritance.

Question Parts

( a )
Explain the molecular basis of DNA replication in eukaryotic cells, describing the specific role of at least three enzymes involved in the process.
( b )
A pedigree chart shows a trait that appears in every generation, affects both sexes equally, but no male‑to‑male transmission is observed. Identify the most likely mode of inheritance and justify your answer.
( c )
In a population the frequency of allele A is 0.6 and allele a is 0.4. Assuming Hardy–Weinberg equilibrium, calculate the expected genotype frequencies and state the proportion of individuals who are carriers for a recessive disorder caused by allele a.
( d )
Discuss two ethical considerations associated with the use of CRISPR‑Cas9 technology in human embryos.

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About This Question

This is Gce Model Questions Vol1 2019 Biology Question 10. It is one of the essay questions from the 2019 Gce Model Questions Vol1 Biology examination.

The question covers DNA Replication, Mendelian Genetics, Population Genetics, Genetic Engineering .

View More Gce Model Questions Vol1 2019 Biology Questions More Gce Model Questions Vol1 Practice Questions Back to Questions

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