Sicide cell anemia is a disease that occurs when an individual receives a recessive allele for sickle cell from each parent. Assume that a woman who is a carrier for sickle cell marries a man who is free of the disease. What are the chances of this couple having a child with sickle cell anemia?
02
25%
с
50%
100%

what have scientists found to be the most efficient and effective way to insert new sequences into an individual? a-scientists have created genetically altered foods that release dna during digestion. b-scientists use viruses to insert specific gene sequences. c-scientists irradiate genes so that they can be absorbed through the skin.

well for one plants are always the producer, so a is the answer. a wolf is more of the consumer(predator) and the deer is the prey so i know those two are out of the question. also mushrooms are fungi/fungus so a is the producer.

cell division is not regulated in tumor cells.