What pattern of inheritance is the above pedigree representing? autosomal recessive
sex-linked dominant
sex-linked recessive
autosomal dominant

Suppose you are estimating the size of a blue crab population. what is the population size if the number marked in the first catch is 40, the total number in the second catch is 200, and the number marked in the second catch is 50?

This is one form of rna that transports a specific amino acid to a ribosome during protein synthesis.

Are the earth's ocean floor and continents the same age geologically? why or why not?