Introductory animal genetics UE Past Papers Questions.

Briefly explain the roles of each of the following types of Robose Nucleic Acid; Abb.RNA

1. Messenger RNA(mRNA)
2. Transfer RNA(tRNA)
3. Ribosomal RNA(rRNA)
4. Small Nuclear RNA(snRNA)

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UNSOLVED

In few own words how can you best differentiate the two terminologies used during protein synthesis namely transcription and translation.

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One stage of cell cycle is called “resting stage” when the cell is considered to be resting . However, Iam of the argument that the stage be renamed “cell division preparatory stage”. How do you consider supporting my argument with evidences?

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Explain the major events taking place in each one of the following phases of animal cell division

1. Metaphase stages of mitosis and meiosis
2. Mitotic prophase
3. Anaphase stage in mitosis and anaphase II stage in meiosis II
4. Mitosis telophase as well as telophase I and II in meiosis
5. Zygotene (zygonema) stage of prophase I

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Differences in characteristics such as productivity or disease resistance among animals are contributed by several factors including genes, genetic make-up and environment. With examples discuss how genes and the environment cause differences in animals.

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