Bone marrow is: Tissue in the center or hollow part of the bones. It makes red blood cells. Eventually white blood cells are manufactured. All of this is helps our immune system protect us from infection. Peace and good health. ...Read more
X-linked inheritance means that the gene causing the trait or the disorder is located on the X chromosome. Females have two X chromosomes, while males have one X and one Y chromosome.
X-linked recessive inheritance is a mode of inheritance in which a mutation in a gene on the X chromosome causes the phenotype to be expressed in males (who are necessarily hemizygous for the gene mutation because they have one X and one Y chromosome) and in females who are homozygous for the gene mutation, see zygosity.