(a) How are polygenic inheritance and multiple allelism different ? Explain with the help of an example each,.
(a) How are polygenic inheritance and multiple allelism different ? Explain with the help of an example each.
(b) List the criteria a chemical molecule must fulfill to be able to act as a genetic material.
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| (a) polygenic Inheritance | Multiple allelism |
| Controlled by three or more genes | More than two alleles govern the same character |
| Example- A-B-C gene control skin colour | Example- ABO blood grouping in humans |
(b) - It should be able to generate its replica / replication
- It should be chemically and structurally stable
- It should provide the scope for slow changes / mutation that are required for evolution
- It should be able to express itself in the form of a Mendelian characters.
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