Relative to chromosome numbers, hybridization can produce speciation in two ways. What are they?

What will be an ideal response?


polyploidy hybrid speciation and homoploid hybrid speciation

Biology & Microbiology

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If chromosomal DNA from a host is the only type of DNA carried by a transducing particle, what can be concluded regarding transduction in this case? 

A. Transduction in this case is neither generalized nor specialized. B. Transduction in this case could be generalized or specialized depending on the phage involved. C. Transduction in this case is generalized rather than specialized. D. Transduction in this case is specialized rather than generalized.

Biology & Microbiology

The effect of red light on plants is to:

a. inactivate phytochrome. b. convert Pfr to Pr. c. inhibit germination in some seeds. d. initiate shade avoidance responses. e. impact the equilibrium between Pr and Pfr

Biology & Microbiology

________ are chemicals secreted into the space between two nerve cells to transmit a message.

A. Synapses B. Neurotransmitters C. Hormones D. Glia

Biology & Microbiology

What type of animal tissue may be involved in protection, secretion, and absorption?

a. Epithelial tissue b. Muscle c. Adipose d. Connective tissue e. Nervous tissue

Biology & Microbiology