What is the term for one possible form of the gene for a particular trait?

Cells destroy body cells infected by a virus or bacteria. killer t t memory t none of the above

How are fossils used to date organisms?

The diagram shows the results when two parents are crossed. the letters represent alleles for a trait that is controlled by three different genes. which best describes this inheritance pattern? multiple allele because a trait is controlled by three different genes polygenic because the offspring have alleles from both parents multiple allele because the offspring have alleles from both parents polygenic because a trait is controlled by three different genes