This pedigree supports the fact that the widow's peak is due to a dominant allele, because if it were due to a recessive allele
and both parents show the recessive phenotype, then ________________________________. none of the sons would have a widow's peak none of the sons would have a widow's peak all of the daughters and none of the sons would have a widow's peak all of the daughters and none of the sons would have a widow's peak none of the daughters would have a widow's peak none of the daughters would have a widow's peak all of the offspring would have a widow's peak
Astronomers use light years to measure distances in space because space is so massive and distances so far that conventional numbering is inadequate and unmanageable. One light year is a distance measurement equivalent to six trillion miles.
