Answer:
both parents (sperm and egg) combine chromosomes during mieosis to create two identical daughter cells with that only one of the daughters cells is fertile
so the daughter cells differ because only one is fertile
Protons are positive
electrons are negative
neutrons are neutral
If an atom gains an electron, it will have a negative charge.
Answer:
Carbon sources
Carbon sequestration
Explanation:
Carbon sources are regions that produces atmospheric carbon dioxide. This carbon dioxide is naturally added to the atmosphere when organisms respire, decompose, rocks with carbonate are weathered and volcanoes erupt.
Carbon sequestration is the process of taken and storing atmospheric carbon dioxide. The method helps in reducing the amount of carbon dioxide in the atmosphere which in turn reduces global climate change.
Answer:
Option (3).
Explanation:
The urethera is the tube like structure helps in the drain out of urine. The urethera is the common passageway of serum and urine in males. The defects in urethera can cause abnormal condition in the body.
Hypospadias may be defined as the medical condition in which the opening of the urethra is not correct. The urethral meatus opening can defected and might open dorsal to the urethral opening. This condition can be corrected by the surgery.
Thus, the correct answer is option (3).
The digestive system breaks down the food we eat while the circulatory system transports the tiny particles to each cell in the body.