The answer is; C
It is caused by the recessive allele because the parents appear normal but are carriers of the disorder (meaning they are heterozygous for Pseudohypertrophic muscular dystrophy). Only when the offspring is heterogenous recessive do they display the disorder.
The disorder is also sex-linked because it tends to affect only boys. This means that the disorder is probably coded for by alleles in the Y- chromosome that determines the male sex.
"Compound" is the one among the following choices given in the question that is a <span>substance formed by the chemical joining of two or more elements in definite amounts. The correct option among all the options that are given in the question is the first option or option "A". I hope the answer has helped you.</span>
Bent
Water is a molecular compound consisting of polar molecules that have a bent shape. The oxygen atom acquires a partial negative charge while the hydrogen atom acquires a partial positive charge.