According to the gene-chromosome theory, witch statement is
a) genes are presented only in human gene-chromosome
b) genes are arranged in linear sequence on a chromosome
c) alleles are located on non-homologous chromosome
d) mutation occurs mainly in sex cells
e) none of the above

small, big, or no change could occur in the phenotype. it could cause something as simple as a cats ears to curl backwards or something as frighting as death. it could also occur in the protien-coding area and have an effect on that but no effect on the amino acids. what has to occur is a changing in the hox gene or the control gene.

c

explanation: