Where are the cell bodies of sympathetic preganglionic fibers located in the spinal cord?
1 answer:
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Answer:
The answer to the given question is =7/8
Explanation:
In autosomal dominant traits, one copy of the affected gene is enough to cause the disease. Let ’A’ be the affected gene, ‘a’ be the non affected gene. Since IV-4’s parents are a couple of affected and non-affected. So, he has the genes Aa, i.e. a single affected gene.
A a
a aA aa
a aA aa
Number of children affected=
Number child affected out of three =
At least one child affected out of three = 1-P (number of children affected out of 3 )
=
=
So, the answer to the given question is 7/8
