Which type of chromosomal disorder seems to have the greatest affect on a person's health - disorders involding autosomes or sex chromosome?

This is the diveristy of ecosystems natural communites and habits it is the variety of ways that species interact with each other and their environment

What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has

Why do some dna fragments move farther than others during gel electrophoresis? a. because their shapes are different b. because they are different types of molecules c. because the samples are different colors d. because their masses are different