Select the postzygotic isolating mechanisms. (Check all that apply).A) Hybrids are sterile.B) Hybrids develop abnormally.C) Hybrids fail to become established in nature.D) Hybrids cannot be formed.
What will be an ideal response?
A, B, C
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Do mycorrhizal symbioses occur between fungus and non-photosynthetic plants?
A. Yes; non-photosynthetic plants also need minerals. B. No; non-photosynthetic plants cannot provide organic compounds to fungi. C. No; non-photosynthetic plants do not need phosphate. D. Yes; non-photosynthetic plants can generate organic compounds without photosynthesis.
What fraction of the time will the cross of Aa Bb Cc with Aa Bb Cc produce an offspring that
expresses all three dominant genes? a. 3/64 b. 1/16 c. 1/8 d. 9/64 e. 27/64
Cells in cardiac muscle that determine the rate of contraction are ________ cells
Fill in the blank(s) with correct word
The routes of entry for most fungi into the body are
A. urinary and reproductive. B. blood and wounds. C. respiratory and cutaneous. D. digestive and respiratory. E. None of the choices are correct.