Regis, a 6-year-old, can correctly name objects, catch a ball and throw it, and write his abcs in proper sequence. his younger brother mark is much less speedy and skillful in all of these areas. what is the best explanation for regis's superior performance

Use the above pedigree for questions 1,2, and 3 1. what kind of genetic disorder is represented in the pedigree? a. recessive b. dominate refer to the pedigree in question 1. 2. is the mutated gene in this disorder located on a sex chromosome (x or y) or an autosome? a. sex chromosome b. autosome refer to the pedigree in question 1. 3. which generation has individuals that you are certain are heterozygous for the mutated gene? a. generation 1 b. generation 2 c. generation 3