In peas, round seeds (R) are dominant to wrinkled seeds (r). If two heterozygous peas are crossed, what is the probability that their offspring will have round seeds

answer : haversian

[explanation: -(compact bone is organized as parallel columns, known as haversian systems, which run lengthwise down the axis of long bones. these columns are composed of lamellae, concentric rings of bone, surrounding a central channel, or haversian canal, that contains the nerves, blood vessels, and lymphatic system of the bone)]

geologic time scale (for gradpoint) =)