To perform a testcross, scientists cross an organism with an unknown genotype with a homozygous recessive organism.
Hope this helped xx
First the question is asking If a descision was made to drain the wetlands which a wetlands is haves rich soil and nutrients which is good for farming and an agricultural action means someone would clear out a forest of farming reasons so I would say the answer is A
Answer: Medication can be tested on the cancer culture before being injected into the patient.
It is false cause the embryo develops the baby into whatever mammal offspring is being born
