A strain of a cereal grain can be either dark tan, medium-dark tan, medium tan, light tan, or cream colored. When a dark tan and a cream plant are crossed, all F1 are medium tan
The F2 are distributed in a ratio of 1:4:6:4:1 from darkest to lightest. How many genes are involved in this coloration?
2
Biology & Microbiology
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An important feature of many wounds that may lead to more serious problems is that they are
A. well aerated. B. well fed. C. sterile. D. relatively anaerobic.
Biology & Microbiology
Metanephridia are found in ____
a. annelids b. mammals c. flatworms d. insects e. reptiles
Biology & Microbiology
What would be a consequence of a mutation that disables the production of cyclin-dependent kinases (Cdks)?
A) Telomere length would be shortened significantly. B) The nuclear envelope would disintegrate. C) Cell-cycle control would not be possible. D) DNA would not contain any phosphate groups.
Biology & Microbiology
Distinguish between stromatolites and biosignatures
What will be an ideal response?
Biology & Microbiology