If a mother carries a recessive allele for a genetic disorder, such as cystic fibrosis, under what circumstances will her children inherit the disorder? A) The children's father must also carry the recessive allele.

B) The mother's father must also carry the recessive allele

C) The paternal grandfather must also carry the recessive allele.

D) The children must be female like the mother to inherit the disorder

B) The mother's father must also carry the recessive allele

Explanation:

How Are Men Affected by Cystic Fibrosis? Males account for slightly more than 50 percent of all cases of cystic fibrosis (CF) but generally have better outcomes than females until about age 20.

when the displaced particles are perpendicular to the direction the wave travels, is called a transverse wave, whereas in longitudinal wave the displace practices are parallel to the direction of the wave.

in the given image:

first image shows - longitudinal wave

second image shows - transverse wave

third image shows - longitudinal wave

fourth image shows - longitudinal wave

the answer you are looking for is the united states forest service.

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