25 the allele for a widow's peak has complete dominance over the allele for a straight hairline (w). what is the probability of two parents heterozygous for a widow's peak (ww) having an offspring with a widow's peak? select one: a. 75 percent b. 50 percent c. 0 percent d. 25 percent

Differences between compact bone and cartilage

The earth consists of a variety of different organisms. despite their diversity, however, some similarities on the structural and metabolic levels may be seen. these similarities can be attributed to a. similarities among organisms in their proteins and nucleic acids. b. the ability of organisms to readily adapt to sudden environmental changes. c. similarities in organisms' habitats and niches. d. the ability of all organisms to interbreed and produce new species.

Many organs are involved in the processes of keeping the blood and the body clean. when poisonous or harmful substances are in the blood, they are absorbed by the and released in a less harmful form. when wastes are present in the blood, they are filtered out and removed from the body by the