Ayoung man wants to determine if he is a descendant of henry of navarre and eleanor of aquitaine—two of his favorite historical characters. he sends a cheek swab to a dtc company and is offered a choice: the company can assess either the sequence of the man's y chromosome or his mitochondrial dna. which should he choose?

Which of these is true of the cytoplasm of an unfertilized egg? a. it is an unevenly distributed mixture of mrna, proteins, organelles, and other substances. b. it does not contain substances that are important in directing development. c. these substances are supplied by the sperm. d. it does not contain substances that are important in directing development. e. development is directed solely by the surrounding cells. f. it is a homogeneous mixture of mrna, proteins, organelles, and other substances. g. it does not contain substances that are important in directing development. h. these substances are produced by the dna of the fertilized zygote.