Evolution of egg target size: an analysis of selection on correlated characters.

  title={Evolution of egg target size: an analysis of selection on correlated characters.},
  author={Robert D. Podolsky},
  journal={Evolution; international journal of organic evolution},
  volume={55 12},
In broadcast-spawning marine organisms, chronic sperm limitation should select for traits that improve chances of sperm-egg contact. One mechanism may involve increasing the size of the physical or chemical target for sperm. However, models of fertilization kinetics predict that increasing egg size can reduce net zygote production due to an associated decline in fecundity. An alternate method for increasing physical target size is through addition of energetically inexpensive external… CONTINUE READING


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