Explain why Identical twins can have the same STRs in a DNA profile yet still exhibit differing phenotypes
What will be an ideal response?
While the DNA sequence of identical twins is the same, there is evidence that environmental factors affect the epigenetic regulation of genes that could result in differing phenotypes.
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In maternal effect, the _______ of the mother determines the _______ of the offspring
A. phenotype, genotype B. genotype, phenotype C. rRNA, tRNA D. imprinting, genotype
The plant cell organelle most analogous to the animal cell endosome is the
A) provacuole. B) lysosome. C) peroxisome. D) glyoxysome. E) None of the above are analogous.
The cell body refers to the part of the neurons that begin at the dendrites and extend to the axon terminal.
a. true b. false
Which of the following groups is responsible for toxic red tides?
A. Foraminifera B. Trypanosomes C. Diatoms D. Dinoflagellates