Answers: 1
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 01:30
Coat color in cats is determined by genes at several different loci. at one locus on the x chromosome, one allele (x ) encodes black fur and another allele (xo) encodes orange fur. females can be black (x x ), orange (xoxo), or a mixture of orange and black called tortoiseshell (x xo). males are either black (x y) or orange (xoy). bill has a female tortoiseshell cat named patches. one night, patches escapes from bill\'s house, spends the night out, and mates with a stray male. patches later gives birth to the following kittens: one orange male, one black male, two tortoiseshell females, and one orange female. what are the genotypes of patches, the stray male, and the kittens?
Answers: 3
Biology, 22.06.2019 08:00
In a vegetable garden 45 bean plants have been eaten by deer 5 are untouched what is the frequency of bean plants in the garden that have been eaten?
Answers: 3
Biology, 22.06.2019 20:30
If there is another new infectious disease somewhere in the world, what do you think canadian officials should do
Answers: 1
Detached earlobes are dominant. if a mother has the genotype ee and a father has the genotype ee. wh...
Mathematics, 03.05.2020 13:44
Mathematics, 03.05.2020 13:44
Social Studies, 03.05.2020 13:44
History, 03.05.2020 13:44
History, 03.05.2020 13:44
Mathematics, 03.05.2020 13:44
Mathematics, 03.05.2020 13:44
Mathematics, 03.05.2020 13:44
Mathematics, 03.05.2020 13:44