Q4 of 55 Page 247

Select the incorrect statement:

Reduction in weight of organisms due to starvation is a change in non-reproductive tissues of the organism, and does not change the genes of the germ cells. Thus, it is not genetically controlled.

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2

The maleness of a child is determined by:

 3

A zygote which has an X-chromosome inherited from the father will develop into a:

 5

New species may be formed if:

(i) DNA undergoes significant changes in germ cells


(ii) chromosome number changes in the gamete


(iii) there is no change in the genetic material


(iv) mating does not take place

 6

From the list given below, select the character which can be acquired but not inherited: