A woman who can roll her tongue (presumably dominant) is married to a man who cannot. Two of their four children can roll their tongues and two cannot. If A = roll tongue and a = cannot roll tongue, then what is the genotype of the parents?

What dating determines which of two fossils is older

4. What are the four main functions of DNA?

How does cellular respiration and photosynthesis relate to homeostasis and the functions of cell structures

Which of the following best compares the results of mitosis and meiosis? A). Mitosis results in four diploid cells, while meiosis results in two haploid cells. B). Mitosis results in four haploid cells, while meiosis results in two diploid cells. C).

Describes an organism that can exist only as a group of cells

Which area shows the climax community of secondary succession?

What type of dragon is the submeripper

Does glucose follow the same path as blood in the kidneys

Explain how to predict y-values using the equation of a regression line.

What non-renewable resource, when burned, is the leading cause of increased levels of carbon dioxide in the atmosphere?