Biology, 17.03.2020 06:42, maddylosin1032
"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: 1
Biology, 22.06.2019 13:20, abolton04
Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.
Answers: 1
Biology, 22.06.2019 16:30, debnkids691
In what ways does the study of human population differ from the study of wildlife ecology
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Biology, 22.06.2019 16:40, 1kafran1
Aremote community desperately needs more electrical energy. it is located in an area with the following characteristics: average wind speed of 15 – 20 km/hr some medium-sized rivers with slow-moving currents few coal deposits some oil exploration being conducted within 400 miles based on the above information, which energy source would be the most economical and safest for the community to pursue? a. fossil fuel b. hydroelectric c. nuclear d. wind
Answers: 2
"Coat color in cats is determined by genes at several different loci. At one locus on the X chromoso...
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