BIO120H1 Lecture Notes - Lecture 17: Eichhornia Crassipes, Parthenogenesis, Hermaphrodite

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BIO120H1 Full Course Notes
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Asexuality, clone, parthenogenesis = all the same, genotype is replicated from the organism (bisexual or hermaphrodite) Sex = requires gametes, recombination, production of diverse genotypes; two distinct types of individuals (dioecious where you have females and males) Some have the ability to chose between asexual and cross- fertilization where hermaphrodites mate together. Water fleas (daphnia) that have two types of individuals; asexual ones in cooler, calmer water and sexual ones in warmer, more turbulent water. So now there is an ecological association with reproduction. The water hyacinth can do this as well, but the sexual reproduction goes along the edge of the plant and the clone is the middle part over the water: Well, a partial answer is that this way there is more genetic variability, but there is no way to text that and it doesn t answer all of the questions. I mean, this way darwinian fitness is halved.

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