An example could be with sickle cell which shows up only in individuals

An example could be with sickle cell which shows up

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advantage over either type of homozygote. An example could be with sickle cell, which shows up only in individuals homozygous for B polypeptide subunit of hemoglobin. Chapter 27
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23.) Sponges are filter feeders. This means that Filter feeders are a sub-group of suspension feeding animals that feed by straining suspended matter and food particles from water, typically by passing the water over a specialized filtering structure. 24.) Allopatric Speciation is when gene flow in a species is divided into a subpopulation by a geographic barrier. Sympatric Speciation is speciation which occurs without a barrier. 25.) Prezygotic is a barrier preventing a zygote from being formed, while postzygotic barriers are in effect after the zygote is formed. 26.) A hybrid zone is a region in which members of a different species meet and mate. 27.) Fossils of certain species would sometimes show novel morphologies early on but later on don’t change much at all. Chapter 23 28.) Radiometric dating is a technique for dating fossils based on the decay of radioactive isotopes. Each isotope has a half-life, or the time required for 50% of the parent isotope to decay. 29.) The geologic record is the standard time scale which divides Earth’s history into four eons and other subdivisions. 30.) The lineages of mammals are monotremes, marsupials, and placentals.
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  • Fall '17
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