Small pieces of root tissue are taken from an oil palm tree and placed in a nutrient medium. Each small piece produces a new oil palm tree. Which type of reproduction is this and how do the genotypes of the new trees compare with that of the parent tree?

A man is blood group A and his wife is blood group AB. What are the possible blood groups of their children?

Which of these may be heterozygous?

In the commercial manufacture of insulin, a human gene is inserted into which of these?

In a kidney machine, protein molecules are not lost from the blood. How is loss of protein prevented?

What happens when the body temperature of a human is controlled?

The table shows some of the possible effects of three drugs. Which combination of effects is correct?