Dr. gregory erickson studied the fossilized bones of a dinosaur called albertosaurus to determine the age at which individual dinosaurs died. from this data he constructed a survivorship curve.

20. in humans, freckles are dominant to no freckles. trey has no freckles and his wife anna grace has freckles, but her dad doesn't. they want to know what percentage of their kids would look like trey. show a punnett square to support your answer.

How many autosomes are in this human karyotype? how many sex chromosomes?

What is the type of asexual reproduction represented inside the box ? answer this