PBR322, where pBR stands for ​

Hello There!!

Explanation:

Here is your -

The p stands for plasmid,BR for Bolivar and Rodriguez.

hope this helps,have a great day!!

~Pinky~

the correct choice is i and iv.

both male and female gametes are produced by meiosis of the germ cells. therefore, both male and female gametes are haploid. one male and one female gamete unite during the fertilization to form the diploid zygote. in seed bearing plants, pollen grain is the male gametophyte, which produces sperm cells.