Case study a couple receives dna analysis which determines that they are both heterozygous for the gene responsible for tay sachs disease should doctors or the government have a role in deciding if the couple can have children together construct an argument to explain why or why not​

State officials are considering constructing a road through a forested wilderness area. this action will likely affect the forest ecosystem in various ways. part a: predict how the construction of a road could negatively affect plants and animals in that ecosystem. (3 points) part b: describe one way that the construction of a road could have a positive impact of the forest ecosystem. (1 point)

What are the fixed alleles in the human species? o a. the alleles that are on the most chromosomes b. the alleles that change most often 000 c. the alleles that no one has d. the alleles that everyone has

Chitin is a chemical component of the cell walls