Q1 of 32 Page 31

Who discovered for the first time the basic principles of genetics?

The basic principle of genetics was discovered for the first time by Gregor John Mendel in mid-nineteenth century. He conducted his experiment on garden pea (Pisum sativum).

Now, Mendel is considered to be the father of Genetics.


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3

Can there be a heterozygous recessive? Explain.

 4

List any four traits in humans which you can easily study just by observing and making family charts.

(i) ……………………………


(ii)……………………………


(iii) …………………………


(iv) ………………………

 2

Give the common and scientific names of the Organism of which Gregor Mendel had worked.

Common name …………………………


Scientific name …………………………

 3

Define the following terms:

(i) Monohybrid ………………………


(ii) Dihybrid ……………………………


(iii) Filial generation …………………