Meiosis and Sexual Reproduction
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Created by:
melanie_suee on February 2, 2012
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16 terms
Terms | Definitions |
|---|---|
 Meiosis | cell division that produces reproductive cells in sexually reproducing organisms |
| Crossing-over | process in which homologous chromosomes exchange portions of their chromatids during meiosis |
| Independent assortment | the random distribution of the pairs of genes on different chromosomes to the gametes |
| Asexual Reproduction | a single parent passes all of its genes to an offspring |
| Genetic Variation | the evolution of genes |
| Haploid | of a cell or organism having a single set of chromosomes |
| Homologous Chromosomes | chromosomes that have the same sequence of genes, that have the same structured, and that pair during meisosis |
| Chromatids | two identical chromosomes that split and contain the same genetic material |
| What are the different ways to make new gene combinations? | • Crossing over • Jumping • Deletion • Duplication |
| What are types of asexual reproduction? | • Binary Fission • Budding • Regeneration |
| What are the advantages of asexual reproduction? | • one parent • faster reproduction |
| What are the disadvantages of asexual reproduction? | • no genetic variation |
| What are the advantages of sexual reproduction? | • new/different genetic combinations |
| What are the disadvantages of sexual reproduction? | • takes 2 parents • slow reproduction |
| What do specialized cells contain? | the same genetic information |
| What is a stem cell? | an unspecialized cell |
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