A male is tested for cellular abnormalities. The technician notes that there are two Barr bodies present within each of his cells. As a result he has the genotype
A) XY.
B) XO.
C) XXX.
D) XXY.
E) XXXY.
E) XXXY.
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What is the first step of the adaptive immune response?
a. Recruitment of helper T cells b. Inflammation c. Mast cells attacking the antigen d. Fever e. Recognizing a specific antigen
Which traits are considered the most favorable?
a. the ability to run very fast b. any ability that confers an advantage under the current environmental conditions c. the ability to fly for travel or to escape predators d. No traits are considered favorable under any circumstances.
What best describes the location where sexual spores form in club fungi?
a. in gills of the mushroom b. in club-shaped cells at the gill margin c. in fruiting bodies d. in club-shaped cells of mycelium e. in hyphae of an embryonic mushroom
Thermodynamics
What will be an ideal response?