Question

the pedigree shows a certain autosomal recessive genetic disorder that is coded for by the allele g. what is the genotype of individual j? gg gg gg gg or gg

Explanation:

Step1: Analyze the nature of autosomal recessive disorder

In an autosomal recessive disorder, an individual needs two copies of the recessive allele (gg) to be affected. A normal - appearing individual can be either a carrier (Gg) or homozygous dominant (GG).

Step2: Look at the pedigree symbol for individual J

The symbol for individual J is a normal - appearing female. But since the disorder is autosomal recessive, and considering the inheritance pattern (if there are affected relatives in the pedigree, but without seeing the full detailed connections clearly, but based on the fact that it's recessive and she is normal), she can have either two dominant alleles (GG) or one dominant and one recessive allele (Gg)

Answer:

GG or Gg