Scale color in dragons is controlled by a gene. The blue spot color gene is B and the yellow spot color gene is Y. 2 parents have baby dragons. They have blue spotted dragons, yellow spotted dragons, and yellow and blue spotted dragons. What are the parent genotypes that could make this cross and create the offspring?

YY x BY

BB x YY

BY x BY

BY x BB

poor water quality affects most estuarine organisms, including commercially important fish and shellfish. the pollutants that have the greatest impact on the health of estuaries include toxic substances like chemicals and heavy metals, nutrient pollution (or eutrophication), and pathogens such as bacteria or viruses.

bc blah

explanation:

bc blah

affects the water bodies: excessive use of fertilizers causes eutrophication. the fertilizers which are used on plants affect the quality of land on which it is used, further causing erosion of soil. the fertilizers used on plants contain harmful chemical fumes which affect the environment.