Q. 343.6( 18 Votes )
Give two reasons
Two reasons for the appearance of variations among the progeny formed by sexual reproduction are mentioned below-
(i) The progeny formed from sexual reproduction involves two parents with different sets of characters.
(ii) The genetic material is exchanged between chromosomes before forming of zygote. Deoxyribonucleic acid (DNA) exchange in the chromosome. This results in forming of variation in the progeny.
Rate this question :
Why does menstruaEvergreen Science
The germ cell A pLakhmir Singh & Manjit Kaur- Biology
How many pairs ofScience - Board Papers
How does a growinScience - Board Papers
What is placenta?Science - Board Papers