Bean plants may have different symptoms when infected with a virus. Some show local lesions that do not seriously harm the plant; others show general systemic infection. The following genetic analysis was made:P: local lesions x systemic infectionF1: all local lesionsF2: 785 local lesions : 269 systemic infection What is […]

In dogs, dark coat (D) is dominant over albino (d) and short hair (S) is dominant over long hair (s). After crossing dogs with dark and short hair with albino dogs with long hair, in F2 a breeder got 89 dogs with dark and short hair, 31 dark, long hair, […]

1. E coli is a shortened name for a bacterium that lives in our gut. According to the rules of binomial nomenclature it is properly written as _______________.a. Escherichia COLIb. Escherichia Colic. Escherichia colid. escherichia colie. escherichia coli 2. What does the term “biodiversity” refer to in the field of […]

Describe Darwin’s theory of evolution by natural selection. Darwin was not the first to consider evolution as a process but he did come up with the first effective explanation for how it happens. Describe Darwin’s theory of evolution by natural selection. Explain how this theory was a major advance over […]