Saturday, February 24, 2018

Evolution And Parthiban Kanavu

Parthiban Kanavu is a novel about the dream of the Chola king Parthiban. 

From link above:  "The novel mentions that King Parthiban's dream of a great Chola dynasty was passed on from father to son every generation and finally came true three hundred years after Parthiban's time when Raja Raja Chola became king."

Now it's my belief that somewhere in our body - maybe in every cell or some Gene, our needs and severity of need are stored. When we replicate, when we pass on the genes to our next generation, information about the need with severity is passed on. This info in our cell or Gene causes the necessary change in our body - whatever needs to be taller sharper fatter becomes so and whatever doesn't becomes reduced in that trait.

Over a period of a few minutes to some Generations, the info is passed on and evolution finally happens addressing the need - a Parthivan Kanavu realized..

To the extent I understand evolution, the need being stored and passed on to successive generations is against the grain of Natural Selection. 


It's fun. 

Now I have another question on evolution.

Does evolution happen in real time within one lifetime? 
  1. http://www.bbc.co.uk/nature/history_of_the_earth: Lovely article showing various species across time. Also this http://humanorigins.si.edu/evidence/human-family-treehttps://io9.gizmodo.com/how-humans-will-evolve-over-the-next-million-years-499252774https://www.forbes.com/sites/quora/2016/09/12/what-will-humans-look-like-100000-years-from-now/https://www.quora.com/If-a-modern-day-human-was-placed-back-millions-of-years-ago-how-would-a-caveman-react-to-themhttps://www.quora.com/What-did-humans-look-like-60-000-years-agohttp://www.bbc.com/earth/story/20140905-meet-the-ancestors-of-all-plants-and-animalshttps://www.quora.com/Dinosaurs-lived-around-100-million-years-ago-Humans-appeared-around-2-million-years-ago-What-happened-in-betweenhttps://en.wikipedia.org/wiki/Timeline_of_human_evolution
  2. http://discovermagazine.com/2015/march/19-life-in-the-fast-lane
  3. https://www.businessinsider.in/12-examples-of-evolution-happening-right-now/Stray-dogs-that-have-left-human-care-are-evolving-more-wolf-life-traits-/slideshow/46519938.cms
  4. http://www.bbc.com/earth/story/20150803-how-do-we-know-evolution-is-real: A conversation thread:
    After reading this (article) I feel that nothing stops us from evolution, we are still evolving. Adapt ( so called fittest) and evolve, to reach where? What we are now is only one destination, all these changes on the planet would either bring a different destination or would end soon! My response:  Evolving is about constantly using one's resources for one's survival and ensuring one's progeny (children) and their survival. I have been thinking that while evolution happens over many Generations and hundreds of years, some human beings "evolve" throughout their own lives. Every action is for their survival... Nothing else matters.. They are evolving (surviving better even within their own lifetime - focusing only on those activities which are useful and eliminating all those that are useless). And such people are the ones whose life's raison d'etre is completely in sync with what Darwin said about species. They are the most successful because every action is tuned towards personal survival..I have, unfortunately, only a hatred for such people. Naturally i don't evolve.
  5. http://www.sciencemag.org/news/2016/05/humans-are-still-evolving-and-we-can-watch-it-happen
  6. Why useless traits are still retained? https://biology.stackexchange.com/questions/35532/why-do-some-bad-traits-evolve-and-good-ones-dont
  7. https://academic.oup.com/bioscience/article/59/9/800/248702
  8. https://www.newscientist.com/article/dn13620-evolution-24-myths-and-misconceptions/
  9. https://biologos.org/blogs/jim-stump-faith-and-science-seeking-understanding/10-misconceptions-about-evolution
  10. https://biologos.org/blogs/jim-stump-faith-and-science-seeking-understanding/10-misconceptions-about-evolution
  11. https://en.wikipedia.org/wiki/Introduction_to_genetics; Quote  "Each unique form of a single gene is called an allele; different forms are collectively called polymorphisms. As an example, one allele for the gene for hair color and skin cell pigmentation could instruct the body to produce black pigment, producing black hair and pigmented skin; while a different allele of the same gene in a different individual could give garbled instructions that would result in a failure to produce any pigment, giving white hair and no pigmented skin: albinismMutations are random changes in genes creating new alleles, which in turn produce new traits, which could help, harm, or have no new effect on the individual's likelihood of survival; thus, mutations are the basis for evolution."
  12. https://en.m.wikipedia.org/wiki/Sexual_selection:  "Early naturalists even believed the females to be a separate species" 
  13. https://en.m.wikipedia.org/wiki/Introduction_to_genetics "Genes are pieces of DNA that contain information for synthesis of ribonucleic acids (RNAs) or polypeptides. Genes are inherited as units, with two parents dividing out copies of their genes to their offspring. This process can be compared with mixing two hands of cards, shuffling them, and then dealing them out again. Humans have two copies of each of their genes, and make copies that are found in eggs or sperm—but they only include one copy of each type of gene. An egg and sperm join to form a complete set of genes. The eventually resulting offspring has the same number of genes as their parents, but for any gene one of their two copies comes from their father, and one from their mother.[1]
    The effects of this mixing depend on the types (the alleles) of the gene. If the father has two copies of an allele for red hair, and the mother has two copies for brown hair, all their children get the two alleles that give different instructions, one for red hair and one for brown. The hair color of these children depends on how these alleles work together. If one allele dominates the instructions from another, it is called the dominant allele, and the allele that is overridden is called the recessive allele. In the case of a daughter with alleles for both red and brown hair, brown is dominant and she ends up with brown hair.[2]
    Although the red color allele is still there in this brown-haired girl, it doesn't show. This is a difference between what you see on the surface (the traits of an organism, called its phenotype) and the genes within the organism (its genotype). In this example you can call the allele for brown "B" and the allele for red "b". (It is normal to write dominant alleles with capital letters and recessive ones with lower-case letters.) The brown hair daughter has the "brown hair phenotype" but her genotype is Bb, with one copy of the B allele, and one of the b allele."
  14. https://en.m.wikipedia.org/wiki/Classical_genetics "The process of genetic drift can be illustrated using 20 marbles in a jar to represent 20 organisms in a population.[7] Consider this jar of marbles as the starting population. Half of the marbles in the jar are red and half blue, and both colours correspond to two different alleles of one gene in the population. In each new generation the organisms reproduce at random. To represent this reproduction, randomly select a marble from the original jar and deposit a new marble with the same colour as its "offspring" into a new jar. (The selected marble remains in the original jar.) Repeat this process until there are 20 new marbles in the second jar. The second jar then contains a second generation of "offspring," consisting of 20 marbles of various colours. Unless the second jar contains exactly 10 red marbles and 10 blue marbles, a random shift occurred in the allele frequencies.
    Repeat this process a number of times, randomly reproducing each generation of marbles to form the next. The numbers of red and blue marbles picked each generation fluctuates; sometimes more red and sometimes more blue. This fluctuation is analogous to genetic drift – a change in the population's allele frequency resulting from a random variation in the distribution of alleles from one generation to the next.
    It is even possible that in any one generation no marbles of a particular colour are chosen, meaning they have no offspring. In this example, if no red marbles are selected, the jar representing the new generation contains only blue offspring. If this happens, the red allele has been lost permanently in the population, while the remaining blue allele has become fixed: all future generations are entirely blue. In small populations, fixation can occur in just a few generations."
  15. https://biology.stackexchange.com/questions/35532/why-do-some-bad-traits-evolve-and-good-ones-dont:  "Another example is sexual selection, some traits help you in find or attract mates but are detrimental to your survival, but reproduction is a bigger advantage in evolution than survival. Evolution simply cannot favor genes if they never make it into the next generation consistently. So you end with peacock tails that get the males killed but are the only way to find mates. A male without the huge tail will not mate and the male offspring of a female without the desire for big tails will suffer the same problem ( because they female keeps ending up with unattractive males) so it is basically impossible for peacocks males to stop growing huge tails and it is unlikely peacock females will stop preferring bigger and bigger tails."
  16. http://utahscience.oremjr.alpine.k12.ut.us/sciber01/7th/cells/html/inhvsacq.htm
  17. http://utahscience.oremjr.alpine.k12.ut.us/sciber01/7th/cells/html/inhvsacq.htm
  18. https://en.wikipedia.org/wiki/Acquired_characteristic
  19. https://en.m.wikipedia.org/wiki/Sexy_son_hypothesis "Female mating preferences are widely recognized as being responsible for the rapid and divergent evolution of male secondary sex characteristics.[3] In 1976, prior to Weatherhead and Robertson's paper,[4]Richard Dawkins had written in his book The Selfish Gene:
    In a society where males compete with each other to be chosen as he-men by females, one of the best things a mother can do for her genes is to make a son who will turn out in his turn to be an attractive he-man. If she can ensure that her son is one of the fortunate few males who wins most of the copulations in the society when he grows up, she will have an enormous number of grandchildren. The result of this is that one of the most desirable qualities a male can have in the eyes of a female is, quite simply, sexual attractiveness itself...The sexy son hypothesis has also been put forward as the origin of some aspects of human sexual activity. In particular, research on the ovulatory shift hypothesis has shown that during the most fertile times of their menstrual cycles, human females are more attracted to more physically attractive men, and to men whose physical features are indicative of a higher exposure to testosterone during key developmental periods.[18] They are also more attracted to men with relatively feminine faces during the remainder of the cycle. However, the methodology of these claims is disputed.

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