The ABO blood type gene is an example of ___________, which means that heterozygotes display two phenotypes at the same time
a. advanced hybridism
b. fading
c. incomplete dominance
d. codominance
e. cross-fertilization
D
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During endocytosis, if a bacterial cell is not degraded and bacterial DNA is taken up by the eukaryotic cell, what may have occurred?
A. vertical evolution. B. horizontal gene transfer. C. vertical exon shuffling. D. chromosomal duplication and genomic exchange. E. both chromosomal duplication and vertical evolution.
The photosynthetic membrane of Halobacterium salinarium contains ________.
A. archaeochlorophyll B. bacteriorhodopsin C. chlorophyll a and b D. bacteriochlorophyll
The most accurate distinction between learning and memory is that
A. memory is the process of acquiring new information while learning is the retention of that information over time. B. both learning and memory are the retention of information over time. C. memory does not require prior learning, while new learning cannot occur without it. D. learning is the process of acquiring new information while memory is the retention of that information over time. E. both learning and memory are the process of acquiring new information.
The symplast is the continuum of living cytoplasm. Indicate whether the statement is true or false