The second stage of prenatal development begins at about two weeks after conception. at this point, the growing bundle of cells is called an embryo.
Mitochondria are found in all body cells.
Answer: His genes contain a mutation that prevents red blood cells from proper functioning.
Explanation:
Hereditary anaemia is a type of disorder that are genetically transmitted to the offsprings by the parents . These type of anaemia are inherited from the parent including sickle cell anaemia.
The offsprings inherent Gene mutation that cause abnormalitiies. They inherit abnormal haemoglobin that can reduce the life span of red blood cells thereby affecting their proper functioning of carrying oxygen in the blood, leading to anaemia.
First question=true
second=false
third=false