What are two ways that a reverse mutation can occur?

What will be an ideal response?


A mutation in the same gene can restore the original phenotype, or a suppressor mutation at a second site in the genome can suppress the forward mutation.

Biology & Microbiology

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The genes that determine where appendages will develop on the animal’s body are called

a. ideotic genes b. homeobox c. Hox genes d. homeotic genes e. homeodomains

Biology & Microbiology

Two evolutionary hypotheses on the function of fever have been suggested: A fever may reflect manipulation of the host by the pathogen, to the pathogen's benefit, or a fever may be an adaptive response by the host to help to control the pathogen

itself. Studies on whether the use of fever-reducing drugs were helpful or interfered with the body's ability to fight the pathogen ________. A) supported the hypothesis that fevers are a manipulation of the host by the pathogen B) supported the hypothesis that fevers are an adaptive response to the pathogen C) supported both of these hypotheses, but in different contexts D) were inconclusive

Biology & Microbiology

Which fungal group is coenocytic and reproduce asexually via blastospores?

a. Zygomycetes b. Glomeromycetes c. Basidiomycetes d. Ascomycetes e. Chytridiomycetes

Biology & Microbiology

What structure do lobsters use for gas exchange?

A) gills B) lungs C) skin D) tracheae

Biology & Microbiology