Answer:
Group VI viruses (retroviruses)
Explanation:
Baltimore classified the viruses in different groups on the basis of their mode of replication and the type of genetic material they possess.
In the given question, the species which contains an ssRNA molecule but use DNA as an intermediate molecule to replicate is known as a retrovirus.
The retrovirus uses a special enzyme called reverse transcriptase which synthesizes the DNA from an RNA template. The DNA formed gets integrated into the host genome and gets replicated.
Thus, Group VI viruses are the correct answer.
Answer:
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Explanation:
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Cleavage and Blastula Stage.
The answer is all of these occur. The tetrads need to be made before crossing over occurs, which only occurs in prophase 1. That automatically means it has to be all of the above.
