AP BIOLOGY

PLANTS

PLANT REPRODUCTION

Question [CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
The product of the union of a sperm and an egg is a
A
embryo
B
gametophyte
C
fruit
D
zygote
Explanation: 

Detailed explanation-1: -The fusion of sperm and ovum (egg cell) is called fertilization. Fertilization results in the formation of a diploid zygote with single nuclei from which a new individual develops.

Detailed explanation-2: -fertilization, union of a sperm nucleus, of paternal origin, with an egg nucleus, of maternal origin, to form the primary nucleus of an embryo.

Detailed explanation-3: -A zygote is the product of the fusion of an egg and a sperm. It contains two copies of each chromosome, one from each parent. Egg and sperms cells, on the other hand, each contain only one copy of each chromosome. The zygote develops into an embryo.

There is 1 question to complete.