ips: In autosomal dominant conditions, every afflicted individual has, at least,
ID: 61733 • Letter: I
Question
ips:
In autosomal dominant conditions, every afflicted individual has, at least, one parent with the affliction.
In autosomal recessive conditions, it is possible for afflicted individuals to sometimes have two parents that are both “normal” in phenotype, which would mean both parents are only carriers.
In X-linked recessive conditions, all, or most, afflicted individuals are male. Females of afflicted sons are carriers, and have “normal” phenotypes.
Problem: Pedigree 2
Which selection below is the most probable inheritance basis of the condition being traced in this pedigree?
Autosomal Dominant
Autosomal Recessive
X-linked Recessive
Explanation / Answer
According to the given data the most probable inheritance is autosomal dominant.
Autosomal dominant alleles do not jump the generations. In this condition, every afflicted individual has, at least, one parent with the disease.
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