How does your body stop viral infections? what are ways of protection against viral infection?

The probability of producing a normal child by two parents who are carriers for an autosomal recessive disorder is

The table below shows the number of foot bones in some horse fossils.horse fossil recordhorse fossil number of foot bonesp 19q 17r 24s 13ancient horses had more bones in their foot then present-day horses. the present-day horse has 11 foot bones. what is the correct order of evolution of the horse starting from the youngest fossil? a. q p r s b. s r p q c. s q p r d. r p q s

As a small change in a person's dna can cause a genetic disorder