Answer:
Each B cell produces a single species of antibody, each with a unique antigen-binding site
Explanation:
The correct answer is option A
Water is the most important component of all living beings. The dependence of organisms on oxygen is much because it an important component of water which is required for the survival. The various types of life processes and metabolic reactions depends on the water to take place. The body is dependent on water for it.
I think the correct answer from the choices listed above is the first option. The circumstances that this condition would manifest would be if the child is a male and its mother has the recessive allele. X-linked recessive inheritance<span> is a mode of </span>inheritance<span> in which a </span>mutation<span> in a </span>gene<span> on the </span>X chromosome<span> causes the phenotype to be expressed in males </span><span>and in females who are homozygous for the gene mutation</span>
