Although the vast majority of women who inherit a single copy of an x-linked recessive disease allele are not affected by the disorder, a small percentage of women do display the disease phenotype. which of the following could explain this rare phenomenon?

a. x-inactivation that favors inactivation of the normal x chromosome
b. incomplete penetrance of the x-linked recessive allele
c. turner syndrome (a sex-chromosome aneuploidy in which women have only one x chromosome)
d. multiple alleles of the x-linked recessive trait

it's not c. i took the quiz and got it wrong. so my best guess is b.

have a great day, and hope this .

protistas excret ethanol used in the manufacture of vinegar

the earth is thought to have been formed about 4.6 billion years ago by collisions from a cloud of hydrogen, helium, rock, ice and other materials. these were pulled together by gravity to form objects in and around earth like- asteroids and small early planets called planetesimals.

so, the best possible answer to this question will be option d- to harden materials to form different parts of earth’s layers