Q. 45.0( 1 Vote )

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

(i) ……………………………

(ii)……………………………

(iii) …………………………

(iv) ………………………

Answer :

The four traits which can easily studied just by observing and making family charts are:

(i) Eye colour


(ii) Right handedness or left handedness


(iii) Red – green colour blind


(iv) Rh blood group – positive or negative


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