Which genotype determines that the sex of a human is male? A. Xy
B. Xx
C. XY
D. XX

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

What advantages does a pedigree have over a written passage?

Were you able to observe the nucleolus in any of the cells if so which ones