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Home Q & A Board Biology-Related Homework Help Genetics and Developmental Biology
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lemonjello lemonjello
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11 years ago
Which of the following scenarios illustrates an example of the vertical inheritance of a viral infection from a parent to an offspring



1)A plant grown in a sterile environment develops a viral infection.
2)A child catches a cold from her mother after spending all day together.
3)A bacteria cell is infected by a temperate phage, which undergoes the lysogenic cycle.
4)A person who contracted the influenza virus is not immune to a new strain that develops next year.
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11 years ago
3) A bacteria cell is infected by a temperate phage, which undergoes the lysogenic cycle.


Is lysogeny, the DNA from a virus (either directly from the virus, or synthesized from viral RNA by reverse transcriptase) is incorporated into the host cell's chromosome - the DNA is then called a provirus.  The host cell continues to divide as before, with the daughter bacteria receiving the viral DNA as though it were bacterial DNA.
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