A sample of 100 students shows that 16 have smooth chins (recessive allele to cleft chin). Calculate the number o heterozygous students.​

Why do leaves change color in the fall? green pigments break down and no longer mask the color of chlorophyll. chlorophyll breaks down and no longer masks the colors of other pigments. red- and yellow-colored pigments grow and mask green-colored chlorophyll. green-colored chlorophyll breaks down and turns red and yellow.