There is no variation, every individual in the population has the allele for the trait.
Answer:
Its A.
Explanation:
Correct on gradpoint my dooods!
Answer: A carcinogen
Explanation: Cancer is caused by accumulated damage to genes. ... The substances that cause cancer are called carcinogens. A carcinogen may be a chemical substance, such as certain molecules in tobacco smoke. The cause of cancer may be environmental agents, viral or genetic factors.
Answer:
True
Explanation:
Almost all cells have a nucleus. Haemoglobin is red blood cell but has no nucleus, prokaryotes have plasmid and not a nucleus sooo... Yea
Through studying the process of mitosis, the scientists gained knowledge of cancer. The study led into a wider understanding of cancer because it led to an apprehension on how cancer cells divide and split into two so rapidly.