Y chromosome

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  • The Sex Chromosome ( X And Y ) Originates From A Pair Of Autosomes Essay

    1509 Words  | 7 Pages

    INTRODUCTION: The Sex chromosome(X and Y) originates from a pair of autosomes (H.J. Muller, 1914) about 350million years ago in reptile-like ancestors (Charlesworth, 1991; Graves, 1995). Environmental factor like temperature determines sex in some species e.g. crocodiles and turtles (Bull et al, 1975). In humans, there are 22 pairs of chromosomes called the Autosomes and one pair of sex chromosome (X-Y) which makes a total of 23pairs of chromosomes. These 23pairs (46) chromosomes are contributed by

  • The Replication Of Y Chromosomes And How They Have Evolved Overtime

    1358 Words  | 6 Pages

    within mammals, the sex is immediately determined. Each parent will contribute one or more chromosomes during the fertilization process, depending on the species. In the male heterogametic (XY) system, the absence of the Y chromosome results in a female offspring and the presence of the Y chromosome results in a male. The evolution of the sex determination system consists of the rise and development of sex chromosomes and concurrently the emergence and evolution of genes that guarantee the formation of

  • Criminality: Criminology and Extra Y Chromosome

    3476 Words  | 14 Pages

    Criminality has been sociologically defined as a form of deviant behavior from the norm and the acceptable rules of society. A more generic definition of criminality is a behavioral predisposition that disproportionately favors criminal activity. It is based on the premise that the act or acts committed by an individual violates the natural rights that are given to the person by birth and or by right. The statement “Are criminals born, or made?” is wide reaching and still the subject of many debates

  • Why Do Gender Matter

    1109 Words  | 5 Pages

    females have different levels of X and Y chromosomes. Many areas of men’s brains are “rich in proteins that are coded directly by the Y chromosome. Those proteins are absent in women’s brain tissue”. (Sax 14) In women the “tissue is rich in material coded directly by the X chromosome; these particular transcripts of the X chromosome are absent from men’s brain tissue”. (Sax 14-15) Having scientific data that shows the differences between the X and Y chromosomes in men and women allow people to see

  • Are Criminals Born Or Made?

    2023 Words  | 9 Pages

    Are Criminals Born or Made? Criminals are born not made. The basic definition of the word criminal is someone who commits offending behavior within society (Harrower, 2001). The crime may range from petty theft to murder. Criminals are born not made is the discussion of this essay, it will explore the theories that attempt to explain criminal behavior. Psychologists have come up with various theories and reasons as to why individuals commit crimes. These theories represent part of the classic

  • The Theory Of Body Types, And The Y Chromosome Theory

    1194 Words  | 5 Pages

    factors, idealizing the concept that criminals cannot help but be criminals due to genetic predispositions (Livesey 4). Three major theories have emerged from the biological perspective: Lombroso’s Theory, Sheldon’s Theory of Body Types, and the Y Chromosome Theory. First, Lombroso’s Theory stems from the mid 1800s, a time when individuals traditionally believed, “crime was a characteristic of human nature (Crossman 2014).” This theory, produced by Italian criminologist Cesare Lombroso, concludes that

  • Jeffrey Dahmer The Monster

    746 Words  | 3 Pages

    Jeffrey Dahmer, otherwise known as the Milwaukee Monster, had started off with a psychotic childhood. Jeffrey didn’t take interest in things normal kids did. He was fascinated by the dead. He collected animal and insect remains. Once Jeffrey crossed a dog who was killed at the road, he “dismembered it, then cut the head off and impaled it on a stick near his house” There was a part of nurture that turned him into who he was, however. When Jefrrey was struggling with his sexual identity and his lust

  • Research Paper On Caster Semenya

    1269 Words  | 6 Pages

    Caster Semenya: Redefining the new normal Medicine has always been a helpful tool for mankind when facing troubles such as epidemics and illness; hand-to-hand with scientific research, the field is in constant change and new innovations are being made every day. Nevertheless, it has also been target of multiple criticisms and controversies in terms of ethics, with topics like animal experimentation or assisted death. One of those controversial topics is gender identification, affecting elite athletes

  • Are Criminals Born or Made? Essay

    2156 Words  | 9 Pages

    Criminals are born not made. The basic definition of the word criminal is someone who commits offending behaviour within society (Harrower, 2001). The crime may range from petty theft to murder. Criminals are born not made is the discussion of this essay, it will explore the theories that attempt to explain criminal behaviour. Psychologists have come up with various theories and reasons as to why individuals commit crimes. These theories represent part of the classic psychological debate, nature

  • Turner 's Syndrome : A Condition That Effects

    1609 Words  | 7 Pages

    names for this condition including 45 X, TS, Ullrich-Turner syndrome, and Turner syndrome. While females usually have two X chromosomes, these girls are born with only one X chromosome or the second X is altered. While some of the babies make it through full term, some who have this condition are prone to unexpectedly aborting. Diagnosis of the missing or altered chromosome could happen during development in the womb or any time after birth. Heart defects can be related to TS along with physical

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