There may be many forms of a single gene. Each such form is called an allele
Answer:
down syndrome
Explanation:
people with down syndrome have an extra chromosome in the twenty-first pair
Answer:
Water from ponds and lakes is moved into the air during evaporation. During the process of evaporation, water changes from a liquid (water) to a gas (water vapor).
Explanation:
that is the correct answer
Answer:
B that most multicellular animals don't reproduce asexually
An analogy that can link with the process of respiration can be a factory. For example, the way that the factory processes raw goods to make manufactured goods is similar to how the respiratory system takes in molecules and breaks it down into energy.
