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insulin and Glucagon If blood glucose levels rise (for example, during the fed or absorptive state, when a meal is digested and the nutrient molecules are being absorbed and used), the beta cells of the pancreas respond by secreting insulin.
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The situation in which some individuals have greater reproductive success than other individuals in a population. Along with variation and heritability, it is one of the three conditions necessary for evolution by natural selection.
There are so many factors that contributed to this over time, reproductive success differs and it could be attributed to hereditary and variation as well. Most often, the hereditary plays the most role out of all as the viability of both eggs and sperms could have been inherited from parents or being affected as a result of environmental factor or nutrition or other factors.
For instance, if one has a rhesus factor of negative and went ahead to marry another male counterpart with negative rhesus factor, this sedomly leads to miscarriage which could have been controlled had it been they were thoroughly counseled. Furthermore, physical factor such as accident could damage one spermatical vessicles that houses the sperm cells which render such an individual to be unable to donate a viable sperm cell for reproduction.
Those with high rate of reproductive success thrives as result of having many offspring which increases their chances of having more offspring than those with little success rate.
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All plants are multicellular, all plants are eukaryotic and all plants are autotrophic.
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Explained below:
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The interactions of the homologous chromosomes are the cause of two siblings who will never look exactly the same but in the case of twins only. And if we talk about mitosis, in mitosis, all the chromosomes will be folded themselves, while the homologous chromosomes will not surely line up and share genetic reshuffling. This is also known as crossing-over. This can happen between various chromosomes or different sections of the same chromosome.