Answers: 2
Another question on Biology
Biology, 21.06.2019 18:30
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 09:30
Parthenogenesis is a type of reproduction that does not require a mate. it’s rarely seen in birds and higher vertebrates. parthenogenesis involves the formation of a zygote. but this zygote is formed without fertilization. in parthenogenesis, in the absence of a male gamete, the ovum develops directly in the zygote.
Answers: 1
Biology, 22.06.2019 17:30
Which of the following terms describes all of the non-living components of an ecosystem
Answers: 2
You know the right answer?
What the definition of Animal Systems...
Questions
Physics, 20.10.2020 03:01
Mathematics, 20.10.2020 03:01
Health, 20.10.2020 03:01
Physics, 20.10.2020 03:01
Mathematics, 20.10.2020 03:01
Mathematics, 20.10.2020 03:01
Social Studies, 20.10.2020 03:01
Mathematics, 20.10.2020 03:01
Mathematics, 20.10.2020 03:01
Geography, 20.10.2020 03:01
