Protists do not constitute a kingdom because they do not share a unique common ancestor

Indicate whether the statement is true or false.


True

Biology & Microbiology

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List four lines of evidence that support a link between cancer and genetics. Describe the ultimate cause of cancer and how an individual's life-style might reduce the chances of developing cancer

What will be an ideal response?

Biology & Microbiology

Twins are concordant for a trait when ____

a. both twins share the trait with at least one parent b. only identical twins have the trait c. only fraternal twins have the trait d. both twins have the trait e. all of the twins' siblings have the trait

Biology & Microbiology

The colorless rootlike projections of mosses, liverworts, and hornworts, which anchor them to the substrate are called 

A. rhizoids. B. tap roots. C. fibrous roots. D. specialized roots. E. storage roots.

Biology & Microbiology

Blue flower color (B allele) is dominant to white (b allele). If a population of plants in Hardy-Weinberg equilibrium contains white flowers (bb) at a frequency of 0.04, what is the frequency of the heterozygous genotype?

A. 0.96 or 96% B. 0.2 or 20% C. 0.32 or 32% D. 0.64 or 64% E. 0.8 or 80%

Biology & Microbiology