Genetics questions | form four Biology

The number of chromosomes in a fertilized egg in man that will grow into  a male of child isa.

1. 22 pairs + XX
2. 22 pair s + XY
3. 22 pairs + y
4. 22 + XY.

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UNSOLVED

In an experiment, bean seeds having a smooth seed coat were crossed with beans having wrinkled seed coat. All the seeds obtained in the first filial generation (F​ 1​ ) had a smooth seed coat. Use genetic cross to find out the formation of (F​ 1​ ) individuals.

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UNSOLVED

What is variation as applied to genetics?
A Differences among individuals of the related species.
B Differences among individuals of the same species.
C Differences among individuals of different species.
D Differences among individuals of unrelated species.
E Differences among individuals of the expected species.

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UNSOLVED

Why is the study of genetics important in our daily life? Explain by giving four points.

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UNSOLVED

A newly married couple expects a baby. Using a genetic cross, work out the probability of their first born child being a boy.

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UNSOLVED