Answer:
(E) bu cv+
Explanation:
Linkage is the phenomena in which two genes present on same chromosome have a tendency to get inherited together.
It is given that the two autosomal genes are linked and in repulsion. This means that the dominant allele of one gene is linked to the recessive allele of another gene and vice versa.
Hence, the parental type gametes will have bu cv+ and bu+ cv combination. Since in linkage parental gametes always appear in higher numbers than recombinant gametes, out of the given options bu cv+ set of genes will be present in most gametes produced by this cockroach.
For natural selection to happen <span>there must be genetic variation in the population for it to even work</span>
Answer:
of the answers i believe it to be B
Explanation:
The xylem can be found in either the roots or the leaves and they are dead tissue.
<span>The bacteria is likely from the sewage coming from the park's waste pipelines. The excess nitrogen would probably be from the pesticides used to control insects that the park sprayed around the outside of the pond.</span>
