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As far as we know, chromosomes tend to be equally distributed across normal gameteogenesis, following Mendel's second law of independent assortment. However some versions of DNA repair and chromosomal condensation can malfunction and result in more versions of one parents genes in a cell than another. Two phenomena which are exceptions to the equal parental ...


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That is a woody compound umbel. A compound umbel is one with more than one set of pedicels between the peduncle and the flower. Hydrangeas also exhibit this type of inflorescence, although not necessarily woody. In the picture below, I've marked all the levels where the pedicels branch. End of peduncle, beginning of primary pedicels Beginning of secondary ...


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Rh is just a proteinous(antigenic) factor in red blood cells; not a DISEASE.If it is present in blood you are Rh positive. If not Rh negative.An Rh negative person if exposed to Rh positive blood will form specific antibodies against the Rh antigens. In case of pregnancy, Rh antigens of the foetus do not get exposed to the Rh negative blood of the mother ...


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The seedless grape technically has a seed, but the seed has no hard outer shell and is microscopic/invisible. These seeds aren't viable. Technically you could isolate out the seed tissue from the grape and grow it in specialized germination medium, but that process also works for any other part of the grape plant. Hooray cuttings! Certainly the seedless ...


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The eggs are very small compared to the proglottid. According to this site: T. saginata can be up to 4 to 6 meters long and 12 mm broad; it has a pear-shaped head (scolex) with four suckers but no hooks or neck. It has a long flat body with several hundred segments (proglottids). Each segment is about 18 x 6 mm with a branched uterus (15-30 branches). ...



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