Your sister died from tay-sachs disease, inherited as a recessive allele (t). you're
married and planning to start your family. you're worried about the disease and
decide to have genetic testing to see if you or your spouse is a carrier of the tay-sachs
allele. the test results show that you're a carrier of the allele, but your spouse isn't.
what is the probability that you and your spouse will have a child with tay-sachs
disease? show your work.

Select the correct answer. which of the following statements is a scientific claim? a. the early solar system had large amounts of water; so, the oldest objects in the solar system should also be abundant in water. b. the mass of the universe is much greater than current models predict; it is not possible to explain this inconsistency. c. planet earth is abundant in water, but there is no way to scientifically determine from where earth's water originated. d. earth is shaped like a sphere even if not all of the scientific observations related to its shape support this idea.