Answer:
d. Ao x oo
Explanation:
The other crosses with A would all result in complete dominance because the alleles (other than A) from the other parent are dominant. Because option D. crosses a h o m o zygous parent with a recessive trait, the cross could produce a child with blood type A.
Answer:
The hemocytoblast (option B) are the parent cell for all formed elements of blood
Explanation:
All blood cells are originated from a common stem cell, which is called a pluripotent stem cell. It is capable of giving rise to any of the blood cells maintaining its existence through mitosis. By dividing pluripotent stem cells, new cells are originated, which become multipotent and differentiate into lymphoid (NK cell and the polymorphonuclear cell) or myeloid cells (megakaryocite); always respecting the original quantity.
Answer:
Vitamin C
Explanation:
The following symptoms are found in the disease known as scurvy which is characterized as a vitamin deficiency disease caused by skin rashes bleeding gums, joint pain, and stiffness more. It is caused by Vitamin C also known as ascorbic acid plays various roles in the development and growth and repair of the body cells and tissues. It is a water-soluble vitamin and deficiency of the vitamin result in scurvy or skin disease.