Explanation:
In the majority of cases, the extra copy of chromosome 21 comes from the mother in the egg.
In a small percentage (less than 5%) of cases, the extra copy of chromosome 21 comes from the father through the sperm.
In the remaining cases, the error occurs after fertilization, as the embryo grows.
its a stimuli a memory is something you can choose to remember or to do
To find out if it's true or not
Answer:
vulcanized rubber
Explanation:
The best material for this purpose is vulcanized rubber. Jogging strollers have wider bases and larger wheels to stabilize them, and these wheels must be durable in order to withstand the stresses introduced during the high speed movement.
Hello.
<span>Embalming is the art and science of preserving human remains by treating them to forestall decomposition. The intention is to keep them suitable for public display at a funeral, for religious reasons. It helps preserve the body for many years
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