If a populations shows very little phenotypic variance for a trait, then that trait is probably controlled principally by the environment rather than genetics
Indicate whether the statement is true or false
FALSE
Explanation: A population could be homozygous for alleles that control a trait, or have genetic variations that do not appreciably affect phenotype for that trait, yet the trait itself might still be
influenced entirely by genes. As an example, the human trait of possessing two arms and two
legs is determined genetically and is quite constant.
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Microbial ________ studies the diversity of microorganisms and links their phylogeny with ________
A) taxonomy / genotype B) phylogeny / phenotype C) taxonomy / phenotype D) systematics / taxonomy
The antibiotic nitrofurantoin is effective against both gram-positive and gram-negative bacteria. This antibiotic is effective against which type of specimen?
a. Blood b. Cerebrospinal fluid (CSF) c. Sputum d. Urine
Fumarate production is an oxidation reaction similar to the reactions that produce ?-ketoglutarate, and oxaloacetate, but with one key difference. What is it?
a. Fumarate production releases a water molecule. b. Carbon dioxide is released in this reaction. c. This reaction reduces FAD instead of NAD+. d. Fumarate production occurs twice per cycle.
A fungus would be most likely to infect:a
skin. b. blood. c. bone. d. muscle. e. connective tissue.