A student analyzed ears of corn that demonstrated two traits in the F2 kernels, purple or white colors and smooth or
wrinkled shapes. A tabulation of 135 individual kernels gave the following results:
purple and smooth = 75
white and smooth = 28
purple and wrinkled = 24
white and wrinkled = 8
Which alleles are dominant.

the abdomen (less formally called the belly, stomach, tummy or midriff) constitutes the part of the body between the thorax (chest) and pelvis, in humans and in other vertebrates. the region occupied by the abdomen is termed the abdominal cavity. the stomach secretes acid and enzymes that digest food. ridges of muscle tissue called rugae line the stomach. the stomach muscles contract periodically, churning food to enhance digestion. the pyloric sphincter is a muscular valve that opens to allow food to pass from the stomach to the small intestine.

nucleic acid molecules are incredibly complex, containing the code that guarantees the four different nucleotide units comprise dna, the nucleic acid of interest to the genealogist. and one of four nitrogen-containing molecules called nucleotides