Famly with Myotanlc Dystrophy 2. Several members of a family symptoms of myotoni
ID: 253299 • Letter: F
Question
Famly with Myotanlc Dystrophy 2. Several members of a family symptoms of myotonic dystroph typified by wasting away of muso variety of other problems. The p family is shown to the right. The responsible for the disease is on 19 and is preceded by a long un stretch of repeated GCT nucleot , to the gene. DNA is isolated fron /i413/112 s/ members of the pedigree shown v of the 5' region is determined. T 14/00 repeats for each individual are s ablinleJuvenle ot pedigree. 16/200 a. Why are two numbers shown for each individual? (1 point) b. What do you think is the relationship between the number of repeats and whether the disease is present at birth (congenital onset, shown in red)? (1 point)Explanation / Answer
a.
The roman numbers are the generations and Arabic numbers are the number of individuals in one generation. So, every individual in each generation counted as 1,2 and so on.
b.
There is no relation between the repeats of numbers and disease by birth. Every pedigree has its own presentation for the disease.
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