Couples who both have normal colour vision and have a child with colour blindness. Explain how this may happen, and state that the sex of the colour blind child must be.​

Which best explains how this maneuver unblock a person's airway?

What is mitosis and how does it affect change

Dna has unique properties that allow it to accurately retain genetic information, even after multiple rounds of replication. one aspect of dna that allows it to accurately store genetic information is the base pairing from chargaff\'s first rule of the four nucleotide bases. if the c content of a dna molecule is 22%, what are the percentages of the remaining bases?