A modification of a gene or chromosome that occurs during gamete formation or early development which permanently alters the expression of that gene for the lifetime of the individual is called
A. paternal inheritance.
B. epigenetic inheritance.
C. allosteric inheritance.
D. extranuclear inheritance.
E. sex-linked inheritance.
B. epigenetic inheritance.
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Middle eastern respiratory syndrome (MERS) is caused by
A) Streptococcus pneumoniae. B) the influenza virus. C) a coronavirus. D) a rhinovirus.
Which of the following is not a characteristic of meiotic cell division?
A. Cell division results in the production of gametes. B. Daughter cells are genetically identical. C. Cell division results in the formation of four daughter cells. D. Cell division requires two rounds of nuclear division.
Dwarf pea plants have deficient levels of the hormone gibberellin
Indicate whether the statement is true or false.
The _____ is the opening at the end of the glans of the penis through which urine and semen pass.
A. testis B. fourchette C. meatus D. perineum