- Assists to eliminate disadvantageous characteristics
- Perpetuate advantageous characteristics.
johnmulu answered the question on May 13, 2017 at 08:15
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Date posted: May 13, 2017. Answers (1)
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Give a reason why it is only mutation in genes of gametes that can influence evolution.
Date posted: May 13, 2017. Answers (1)
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Date posted: May 13, 2017. Answers (1)
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Date posted: May 13, 2017. Answers (1)
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Date posted: May 13, 2017. Answers (1)
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(b) What would be the expected results from a test cross? (Solved)
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Date posted: May 13, 2017. Answers (1)
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Date posted: May 13, 2017. Answers (1)
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Date posted: May 13, 2017. Answers (1)
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(b) State two causes of chromosomal mutations. (Solved)
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Date posted: May 13, 2017. Answers (1)
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(b) Give two examples of continuous variation in humans(Solved)
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Date posted: May 13, 2017. Answers (1)
- (a) What is meant by the term allele?
(b) What is a test-cross? (Solved)
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Date posted: May 13, 2017. Answers (1)
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Date posted: May 13, 2017. Answers (1)
- (a) What is meant by the term sex-linkage?
(b) Name two sex-linked traits in humans. (Solved)
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(b) Name two sex-linked traits in humans.
Date posted: May 13, 2017. Answers (1)
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Y - CHROMOSOME.
X - CHROMOSOME. (Solved)
Give an example of a sex-linked trait in humans on:
Y - CHROMOSOME.
X - CHROMOSOME.
Date posted: May 13, 2017. Answers (1)
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Date posted: May 13, 2017. Answers (1)
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(a) (i) Genotype of the parents
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Date posted: May 13, 2017. Answers (1)
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Date posted: May 13, 2017. Answers (1)
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In a breeding experiment, plants with red flowers were crossed. They produced 123 plants with red flowers and 41 with white flowers
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Date posted: May 13, 2017. Answers (1)