This pedigree shows the incidence of cystic fibrosis in two families. This disorder
causes mucus to build up in the lungs,
resulting in difficulties with breathing.
Indicate the genotypes for each of the
family members.

the sugar-phosphate backbone forms the structural framework of nucleic acids, including dna and rna. this backbone is composed of alternating sugar and phosphate groups, and defines directionality of the molecule.

feral cats are estimated to eat tens of millions of native animals each night in australia

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