La distrofia muscular de Duchenne viene determinada por una mutación recesiva en un gen situado en el segmento diferencial del cromosoma X.

- a) ¿Cuál es la probabilidad de que una mujer cuyo hermano

presenta la enfermedad tenga su primer hijo afectado?

- b) ¿Cuál es la probabilidad de que una mujer,

cuyo tío materno presenta la enfermedad, tenga su primer hijo afectado?

that would be called plucking : )

explanation:

''plucking, also referred to as quarrying, is a glacial phenomenon that is responsible for the erosion and transportation of individual pieces of bedrock, especially large "joint blocks". as a glacier moves down a valley, friction causes the basal ice of the glacier to melt and infiltrate joints (cracks) in the bedrock."

hydrogen is a compound or a single element and a element is a pure substence that cannot be separated into simpler subtances

clorine is a compound its a chemical substance that forms when two or more different elements combine

so both hydrogen and clorine are compounds

digestion

it excretes wastes