What do homologous and analogous
structures have in common?

What does polymerase chain reaction (pcr) do? o a. separates dna fragments by size o b. cuts a dna sample into fragments o c. provides an overall picture of a person's chromosomes o d. makes more copies of a sample of dna

Which of the following is an eon in the time scale? phanerozoic proterozoic archean all of the above

Sickle cell amelia is a condition condition where the red blood cells are deformed which is affected by sickle cell amenia