Which type of homology does this typify?
When humans are developing, in utero, they have characteristics that are not found in the fully developed infant. Gill slits are one example of these characteristics.
A. Developmental.
B. Structural.
C. Vestigal.
D. Molecular.
E. Both developmental and vestigal.
A. Developmental.
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Lethal mutations can be maintained in diploid organisms if they are
A. deletions. B. recessive. C. dominant. D. None of the choices are correct.
New traits arise from scratch through the formation of a new gene
Indicate whether the statement is true or false.
Describe 3 anatomical features that distinguish a bivalve from the phylum Mollusca from a brachiopod
What will be an ideal response?
The infective stage of the Giardia spp. is:
A. The Oocyst B. The trypomastigote. C. The Trophozoite D. The Cyst E. The Sporozoite