Acouple has two offspring; one child has an autosomal recessive disease trait and one is nornal. what conclusions can you make about the parents?
a. one parent must have the autosomal recessive disease.
b. both parents must have the autosomal recessive disease.
c. one parent is a carrier for the autosomal recessive gene and the other parent is normal.
d. both parents are probably carriers

The us council on environmental quality, the world wildlife fund of the united states, the ecological society of america, the smithsonian institution, and the international union for the conservation of nature have proposed four principles of wildlife conservation. which of the following does not apply to wildlife conservation? a) continuous monitoring, analysis, and assessment b) ecosystem maintenance that includes wildlife c) a plan encompassing entire communities of organisms and all renewable resources d) a continued interest in harvesting populations for sport