In a family, the father has the disease and mother is normal. The disease is only inherited to sons and not daughters. What type of disease is this? 1. sex linked dominant
2. autosomal dominant
3. autosomal recessive
4. sex linked recessive

What type of organism is a one-celled organism that functions as a single unit? a. bi-celled b. single-celled c. pre-celled d. multi-celled

What pattern of migration do whales follow?

Astudent wants to test the hypothesis that fertilizer improves the growth rate of grass seeds. to test this hypothesis, the student put the same amount of grass seed in 3 containers with the same type of soil. the student measured the growth at the end of the week. all plants received equal amounts of water and sunlight. if you were asked to graph this data, what would you place on the x-axis? a. fertilizer b. water c. plant growth d. week one