Q6 of 40 Page 11

In a pea plant, the yellow colour of the seed dominates over the green colour. The genetic makeup of the green colour of the seed can be shown as ___________:

As we know that yellow colour of seed is dominant over green colour.


So the genotype of yellow seed colour will be YY/ Yy.


And the genotype of green seed colour will be homozygous recessive that is yy.

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4

The theory of Natural Selection was proposed by ___________ .

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Somatic gene therapy causes ___________.

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Some people can roll their tongue and this is a genetically controlled auto-somal dominant character. [Roller = RR / Rr and Non-roller = rr]

A child who can roll the tongue has one brother who is a non-roller and two sisters who are rollers. If both the parents are rollers, the genotypes of their parents would be ____.

 8

Hydra, a multi-cellular invertebrate of phylum Cnidaria (Coelenterata) can give rise to new offspring by various methods. Choose the method by which the offspring are produced with significant variations.