A gene can have many alleles. Why is it that any given person only carries two copies of each allele

How had the study of mitosis affected scientists knowledge of cancer

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?

If jane has the blood type ab and marries john who has type o blood what are the possible phenotypes of their first kid?