R R Rr is the result of 1st punnet square and the genotype used to produce f2
r
r
Answer - Genetic Engineering (Confidently Correct)
Reason - With Technology we can change the genetics of a species and help it adapt to it env. to survive longer and reproduce.
In my opinion the answer would be A.
A zygote is immediately formed after fertilization between two gametes. This cell is eukaryotic and made up of a combination of the DNA in both gamete. Zygote contains all the hereditary information essential in the formation of a new individual.