If one parent has Type A blood and the other has type B, but all four types are represented among the offspring, what are the genotypes of the parents? If both parents are blood type A but ¾ of their children are type A and ¼ of the children are type O, what are the parent's genotypes?

What genotypes must the parents be if one has type AB blood and the other has type B, but their children are ¼ A, ¼ AB and ½ type B?

The phlogiston theory in the 17th century attempted to explain burning. the theory stated that combustable objects contained a material called phlogiston, a substance without mass, color, odor, etc. after objects burned, the objects were dephlogistonated and were then in their true form. the phlogiston theory was accepted until the 18th century, when lavoisier proved that combustion requires a gas that has mass. phlogiston is considered a) to be scientific knowledge b) not to be scientific knowledge c) to be proven by scientific method d) to be accepted in the modern scientific community

The diagram shows a fossil of an ancient whale skull and a skull of a present-day whale. the ancient whale is extinct and is believed to be an ancestor of the present-day whale. what do these skulls most likely show that supports darwin’s theory of evolution? all populations can adapt and survive. only some organisms have a common ancestor. populations change slowly over time. populations rapidly become extinct.

What are examples of the plant life and animal life that can be found in each type of terrarium