Homozygus- same
the PP are the same allele
The genotype would be 100% homozygus and then whatever the P stands for.
Homozygus P
The answer is A. When a potent drug is discovered, it has to undergo animal and human trials to test it ADMET (Absorption, Distribution Metabolism, Excretion, and Toxicity) properties. Using tissue cultures to test drugs, such as cancer drugs, prevents the incidence of subjecting humans to the unknown adverse effects of the drugs before the drugs are determined to be safe for use.
Yes this is true 2 diploids cells can fuse to form haploid cell
Technically this can be answered in a number of ways. But in elementary biology the cell is considered to be the basic unit of life.