F1 generation they are purebreds meaning one parent is PP and the other is pp. they are hybrids in the F2
Specimen collection is the process of obtaining tissue or fluids for laboratory analysis or near-patient testing.
A specimen collection helps a scientist do an experiment by assembling a large number of samples for comparison. A poorly collected specimen may lead to failure in isolating the causative organism(s) and/or result in the recovery of contaminating organisms.
Answer:
The correct answer is most likely benign tumor
Explanation:
By elimination:
Oncogenes are genes, not a mass of cells, so this cannot be the correct answer.
Carcinogens are cancer causing agents, so again, not a mass of cells.
A malignant tumor is a tumor that can spread to other tissues, and is therefore not normal cells.
Benign tumor is the only remaining choice :).
They are called neurotranismitter
