Two parents decide to have a child. The parents plan to have their genes tested before they have their child to see if there is a possibility of their child having sickle cell, a recessive blood disorder. The parents find out they are both heterozygous. What percentage does their child have to get sickle cell?

Ascientist separates a population of mice into two groups. what would most likely increase the rate of speciation in this population. a. teach the two groups different tricks b. allow the two groups to breed with each other c. put the two groups in different environment d. have the two groups live in identical ecosystems

What pattern of migration do whales follow?

7. describe two strategies that parents can use to cope with stress. 8. describe the three types of childcare available to families. 9. what can parents do to be more involved in their children's education at home and at school? 10. which factors should a parent consider when choosing a childcare option?