Both parents are heterozygous for Tay-Sachs disease (an autosomal recessive disorder). Three children in a row were born with Tay-Sachs disease. What is the chance that a fourth child will have Tay-Sachs disease

oceans

indian ocean

pacific ocean

atlantic ocean

arctic ocean

southern ocean

it cools slower in the earth meaning the crystals have more time to form than lava on the surface

the three components of a nucleotide are the nitrogenous base, the phosphate group and the five-carbon sugar.

the cost of mining is extremely low compared to the money earned from mining, creating income to improve the environment.