A dihybrid testcross is done to determine if genes C and D are linked and 1000 progeny are analyzed. The results are: 222 Cc Dd; 280 Cc dd; 280 cc Dd; 218 cc dd. What are the parental allele configurations

Name the organs of humanelemintary canal.

Several bird species feed in a certain species of tree. each bird species feeds in a different part of the tree. which statement is true of these bird species? a. they have adapted to different niches due to competition b. they have a carnivorous relationship with the tree species. c. they have adapted to different niches due to predation d. they have a symbiotic relationship with the tree species.

If animal agriculture was eliminated, how much grain would become available for human consumption?