V=IR
= 2 x 6
= 12V
Resistors in series add together:
(2ohms x 2) + (1ohms x 2)
4 + 2 = 6 ohms
Hope this helps!
Answer:
Explanation:
TRISOMY 21 (NONDISJUNCTION)
Prior to or at conception, a pair of 21st chromosomes in either the sperm or the egg fails to separate. As the embryo develops, the extra chromosome is replicated in every cell of the body. This type of Down syndrome, which accounts for 95% of cases, is called trisomy 21.
