Dorothy Mary Crowfoot Hodgkin was the first to develop protein crystallography and she won Nobel Prize for that discovery ( third woman to win the Nobel Prize in Chemistry). Hodgkin confirmed the structure of penicillin but also realized the structure of vitamin B12 by x-ray crystallography analysis. She advanced the classical technique of X-ray crystallography.
They are genetically and reproductively isolated. For the mule the specific isolation mechanism is termed as "Hybrid Inviability", where the postzygotic isolating mechanism prevents the hybrid from passing on their genes. A zygote may form with the sperm and egg, but the embryo will dies after a few cell divisions. The genetic information from male and female parents is insufficient to carry the organism through morphogenesis. *There are rare documented cases of a mule producing a viable offspring.
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Repairing and replanting wetlands, creek beds, forestland, and other habitats. Eradicating invasive species. Replacing turf grass with native species. Planting rain gardens to absorb rainwater running off roofs or asphalt.
<span>X chromosomes is found in female cells and</span><span><span> males produce sperm with an X or a Y chromosome.</span> </span>
