Factors in the environment that limit the ability of a species to meet its biotic potential are known as ________ factors
Fill in the blank(s) with correct word
environmental resistance
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How would a large chromosomal inversion affect the expression of a gene if the gene is located between the two break points but no breaks occur within the gene?
A. The inversion would probably have no effect on gene expression. B. The gene would not be transcribed because it would be oriented in the wrong direction. C. The gene would be transcribed in the 3' to 5' direction. D. The gene would be transcribed normally but the mRNA would be translated in the 3' to 5' direction.
Which of the following is considered a reverse mutation that will restore the wild type phenotype?
A. A mutation that restores the function of a protein even though it does not restore the base sequence or the amino acid sequence to the wild type. B. True reversion back to the wild type base sequence. C. Mutation to a different base sequence, but one that restores the amino acid sequence in the protein to the wild type sequence. D. All of the choices are correct.
At the milestone that defines metaphase, the chromosomes
a. separate. b. come together. c. are at opposite poles. d. line up at the equatorial plate. e. cross over.
In giraffes, long necks (N), long legs (L), dark spots (D), and the ability to digest maize (M) are all dominant traits. What possible genotype could a long-necked, short-legged, light-spotted, maize-digesting giraffe have?
A) NnllddMM B) NNLLDdMm C) NNllddmm D) nnLLddMM