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BIOL1020 - Meiosis Exam With Complete Solutions
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BIOL1020 - Meiosis Exam With Complete SolutionsWhat are some advantages of asexual reproduction? - ANSWER 1. 100% of genes are
passed on
2. In a stable, non-changing environment, all organisms do well
3. Quick! (and Furious)
4. Does not take energy to search for a mate
What disadvantages are there to asexual reproduction? - ANSWER 1. No genetic
diversity: in a changing environment, there will be no mutations
2. Kind of boring
How does sexual reproduction have better stability? - ANSWER 50% of genes are
passed on hence there is genetic diversity which may have genes adapted to a changing
environment
Summarize an Animal's Diplontic Life Cycle - ANSWER - Zygote divides by mitosis to
form a multicellular diploid organism
- The organism can make gametes by meiosis
- These gametes fuse with an egg to form another zygote
Overview of Life Cycle of Fungi Haplontic Generation - ANSWER - Haploid spore
undergoes mitosis to form multi-cellular haploid organism
- the organism's gametes differentiated by (+) or (-), may fuse by fertilization
- formed zygote undergoes meiosis, haploid spores!
Overview of a Plant Haplodiplontic Generation - ANSWER - Haploid spore undergoes
mitosis to form multi-cellular haploid organism
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