A gene or trait that appears or expresses itself over a recessive trait is called A. a chromosome. B. a mutation. C. a dominant gene. D. an influential gene.

Long term exposure to waves can cause sunburns and skin cancer.

Which of these statements is true about autotrophs, but not heterotrophs? a. they use sugar and oxygen to make carbon dioxide and water.b. they use chlorophyll and oxygen to make carbon dioxide and water.c. they use sunlight, water, and carbon dioxide to make sugars.d. they use sunlight, water, and oxygen to make chlorophyll.

What do we call the process when two dominant alleles are expressed and do not blend? a.incomplete dominance b.codominance c.multiple alleles