For a trait to be observed, both parents must have the allele for that trait and pass it on to their offspring.

For a recessive trait to be observed, both parents must have the allele for that trait and pass it on to their offspring.

hi, natural selection of the peppered moth during the industrial revolution in 19th-century england is an example of an outlier in the study of evolution. during this time, pollution from factories filled the forests, coating trees in a layer of soot—turning white trees black

mark as brainlest

gokuson