Frank and maria both had normal vision. after they married, they had two daughters and a son. both daughters had normal vision nd never had children. marco, the son, was color blind. he married lauren, who had normal vision, marco and lauren had two children, caleb and molly. caleb was not color blind, but molly was. color blindness is a sex-linked trait (carried on the x chromosome). the diagram below shows the family tree, frank maria which statement about this family's pedigree is correct?

M read the sentence.what best describes the underlined part of the sentence,and why? alma plans to visit london and paris, where her parentswent on their first trip together as a married couple.it is a restrictive relative clause because it begins with arelative pronoun, has both a subject and a verb, and is notnecessary to the meaning of the sentence.it is a nonrestrictive relative clause because it begins witha relative pronoun, has both a subject and a verb, and isnecessary to the meaning of the sentence.it is a restrictive relative clause because it begins with arelative pronoun, has both a subject and a verb, and isnecessary to the meaning of the sentence.it is a nonrestrictive relative clause because it begins witha relative pronoun, has both a subject and a verb, and isnot necessary to the meaning of the sentence.