Answer the next questions using the pedigree below. Assume that deafness (dd) is caused by a single gene and is recessive to hearing. What would be the genotype of individual number 1?

Which set of characteristics best describes sedimentary rock? a) largest type of rock, made of organic matter, hardest type of rock b) often contains layers, forms near sources of water, contains fossils c) least abundant type of rock, made of other rocks, made mostly of minerals d) most abundant type in earth's crust, made of magma/lava, contains no fossils