Biology, 16.07.2019 12:00 thebomb2023
Plants on the floor of a rain forest often have very dark green leaves. this coloration is due to the presence amounts of chlorophyll in the leaves, which is necessitated by the fact
Answers: 1
Biology, 21.06.2019 18:30, narutoxptheninja
The gene that causes sickle-cell disease is present in a higher percentage of residents of sub-saharan africa than among those of african descent living in the united states. even though this gene causes sickle-cell disease, it also provides some protection from malaria, a serious disease that is widespread in sub-saharan africa but absent in the united states. discuss an evolutionary process that could account for the different percentages of the sickle-cell gene among residents of the two regions.
Answers: 2
Biology, 22.06.2019 00:50, sedilei1515
What would be the result if crossing over did not happen during meiosis in humans? a. there would be less genetic variation in humans. b. parents would be more likely to look like their children. c. the human population could not reproduce. d. children would have more chromosomes.
Answers: 2
Biology, 22.06.2019 11:00, jasramos004
Across of blue x blue (both heterozygous) would result in
Answers: 3
Biology, 22.06.2019 22:30, bbanfield1
What did you notice about the onion root tip cells that you saw at 40x power?
Answers: 2
Plants on the floor of a rain forest often have very dark green leaves. this coloration is due to th...
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