11.A tomato plant has 12 chromosomes in each egg/sperm cell. How many chromosomes do each of their somatic cells have?

Next pretest: evolution select the correct answer in a laboratory population of flies, the female flies are gray and the males are yellowish gray. biologists observed that all the male flies had an equal chance for reproduction, but the male flies with the brightest colors were more likely to successfully reproduce. what phenomenon could explain such a change? a sexual selection b. disruptive selection c. stabilizing selection d. directional selection

Physical characteristics of down syndrome

Introducing minvasive species to an ecosystem results in an increase in biodiversity is it true or false