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Wooly-hair is a rare trait found in people of Scandinavian descent in which the hair resembles the wool of a sheep. A woman with wooly hair who has a mother with straight hair moves to an island inhabited by people who are not of Scandinavian descent. She marries and produces […]

QUESTION 1Which of the following statements best defines the two main differences existing between prokaryotic and eukaryotic cells? A. Prokaryotic cells possess a nucleus but lack organelles while eukaryotes lack both a nucleus and organelles. B. Prokaryotic cells possess a nucleus and organelles while eukaryotes lack both a nucleus and […]

Q1. Seedless watermelons are actually a product of “mistakes in meiosis” These seedless watermelon are triploid (3n) and are produced by crossing a tetraploid (4n) strain with a diploid (2n) plant. Briefly explain why this mating produces a triploid individual. Why can mitosis proceed normally in triploid cells, but meiosis […]

In shorthorn cattle, coat color may be red, white, or roan.Roan is an intermediate phenotype expressed as a mixture of red and white hairs. The following data was obtained from variouscrosses:     red x red………all red     white x white….all white     red x white……..all roan     roan x roan…….1/4 red; 1/2roan;1/4 white How […]