It involves chromosomal abnormality; w<span>hen the condition is caused by trisomy 21, (down syndrome), the </span>chromosomal abnormality<span> occurs as a random event during the formation of reproductive cells in a parent. The </span>abnormality<span> usually occurs in egg cells, but it occasionally occurs in sperm cells.
I hope this answers your question. =)</span>
The answer to your question would be B. 15-20%
Answer:
The most important step is to rub your hands thoroughly especially between your fingers
When penicillin was first developed in 1940, many doctors regarded it as a Panacea that would end all infectious diseases.
Answer:
A. More blood is pumped through the body.
Explanation:
the amount of blood pumped through the body is noty based on cardiorespiratory.
