In beans, the black color of the seeds (A) dominates over the white (a). When two bean plants were crossed with black seeds, plants were obtained that formed only black seeds. Can the genotype-path of the parents be determined and why?

Which statements best describe the differences or similarities between a comparative investigation and an experimental investigation? check all that apply. experimental investigations are best for showing cause-and-effect relationships, while comparative investigations do not necessarily show this type of relationship. comparative investigations are often impractical and unrealistic, while experimental investigations are the most practical and realistic kinds of investigations. comparative investigations allow for the use of a wide range of variables but do not have a control group, while experimental investigations involve variables that can be controlled. both experimental investigations and comparative investigations are designed to answer scientific questions. both experimental investigations and comparative investigations focus on making observations rather than collecting new data.

Why did the federal government end its support of yucca mountain as a site for long-term storage of nuclear water

Across of blue x blue (both heterozygous) would result in