B) Why are index fossils helpful for performing relative dating? (3 points) 4. a) In a species of rat, height is a polygenic trait. What does it mean that this trait is
polygenic? (3 points)
Will mark brainliest

Dominance the dominant allele doesn’t fully mask or hide the recessive. for example, a red carnation with a white carnation will produce a carnation. one gene one trait. well most of the time than one gene controls a trait. we are all different but genetically speaking we are % similar with regards to genetic makeup.

Monitor and apply fix up stratorgies

How do disease caused by bacteria and disease caused by viruses react to antibiotics?