What are the differences between complete dominance and codominance?
What will be an ideal response?
In complete dominance, the homozygous genotype results in the dominant phenotype, whereas the homozygous recessive genotype results in the expression of the recessive phenotype. The individuals with the heterozygous genotype in complete dominance can be referred to as carriers, who are able to pass the recessive allele on to their offspring but won't actually express this gene themselves. This is because the recessive allele is masked. In the case of codominance, both alleles are expressed equally, so both proteins are synthesized and appear to be expressed equally, depending on the traits.
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The Golgi apparatus is comprised of flattened, saclike structures called ________, which may be clustered in one region or scattered throughout the cell.
A. thylakoids B. vesiculae C. cristae D. cisternae
Gene conversion can be observed in fungi by identifying aberrant ratios in the ascus. Which of the following represent possible aberrant ratios caused when there is no mismatch repair of base-pair mistakes in the heteroduplex region?
A) 4:4 B) 3:1:1:3 C) 5:3 D) 6:2 E) 3:3:2
Which organ system does not work with the others to carry out the physiological processes of a mammal?
a. cardiovascular system b. lymphatic system c. skeletal system d. urinary system e. muscular system
Microbial antagonism means that
A) good microbes are replaced by invading pathogenic microbes. B) good microbes establish themselves in the host and prevent invasion by pathogenic microbes. C) the host is predisposed to disease due to the microbes they harbor. D) pathogenic bacterial growth is encouraged by the presence of established host organisms.