In the interaction between two species harms both of them. coevolution competition mutualism parasitism symbiosis

Color blindness is a recessive trait. the gene for color blindness is on the x chromosome. the family tree below shows the trait of color blindness. the only unknown is the mother in the first generation

Complete the possible outcomes for each generation in the pedigree chartaa aa aa

When a person is exercising the body needs to deliver increased amounts of oxygen to the muscles which component of blood ensures that the muscles will receive it