This information will be used for the next four questions. Wheat kernel color is an additive trait controlled by two genes, gene A and gene B. The A1 and B1 alleles add 1 unit of color to the kernels. The A2 and B2 alleles add 0 units of color to the kernels. What is the best description of the A2 and B2 alleles?

According to piaget, children have acquired the cognitive skill of conservation when they're able to a. understand that six ounces of liquid in a jar and six ounces in an elongated tube are equal. b. understand the viewpoint of other people. c. relate objects around them to their own needs. d. realize that the term heavy describes an object one way and the term big describes it another way. it is not b nor c. did this 2 x wrong..

What type of weather does tropical continental air bring in summer? hot and cloudy cool and sunny hot and sunny cool and cloudy

Explain how sequences of amino acids in proteins can be used to reveal relationships among organisms.