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If a father and son are both defective i...

If a father and son are both defective in red-green colour vision, is it likely that the son inherited the trait from his father? Comment.

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Gene for color blindness is X-chromosome linked, and sons receive their sole from their mother. not from their father. Male-to-male inheritance is not possible for X-linked traits in humans. In the given case the mother of the child must be a carrier (heterozygous) for colour blindness gene
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TRUEMAN BIOLOGY-GENETICS AND EVOLUTION -SECTION-A
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  2. Which Mendel's law of inheritance is universally acceptable and withou...

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  3. Name the parts 'A' and 'B' of the transcription unit given below.

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  4. Name the components 'a' and 'b' in the nucleotide with a purine, given...

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  5. Why hnRNA is required to undergo splicing?

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  6. State any one reason to explain why RNA viruses mutate and evolve fast...

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  7. How is the length of DNA usually calculated?

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  8. How does HIV differ from bacteriophage?

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  9. The gene I that controls the ABO blood grouping in human beings has t...

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  10. Provide one word or one sentence information about 'plasmid' with resp...

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  11. Name the event during cell division that results in the gain or loss o...

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  12. Mention the contribution of genetic maps in human genome project.

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  13. Name one autosomal dominant and one autosomal recessive. Mendelian dis...

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  14. A human being suffering from Down's Syndrome shows trisomy of 21^(st) ...

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  15. A pedigree chart given here, presents a particular generation which sh...

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  16. In order to obtain the F(1)-generation Mendel pollinated a pure-breedi...

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  17. "Genes contain the information that is required to express a particula...

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  18. How are alleles of particular gene differ from each other? Explain its...

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  19. For the experssion of traits genes provide only the potentiality and t...

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  20. A, B, D are three independently assorting genes with their recessive a...

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  21. Sometimes cattle or even humen beings give birth to their young ones t...

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