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Corpus callosum


The corpus callosum also known as the callosal commissure, is a wide, flat bundle of neural ... The posterior (back) portion of the corpus callosum is called the splenium; the ... Recent studies hav...

Neuroscience For Kids - The Brain: Right Down the Middle


Differences between the brains of men and women have generated ... Almost all studies show that at birth, a boy's brain is bigger than a girl's brain. ... The major pathway that connects the right and left cerebral hemispheres is called the ... is the fiber tract made up of 200-250 million axons that is cut in split brain patien...

Chapter 1: An Owner's Guide to the Cell: Inside the Cell - National ...


Aug 9, 2012 ... Nucleus: The Cell's Brain; Cell Membrane: Specialist in Containing and .... Detailed studies of ribosomal structures could lead to improved antibiotic medicines. .... Right now, some of your cells are splitting in half, moving, or changing shape. If you are a man, your sperm use long tails called flagella to swim.

What is Cloning? - Learn Genetics - University of Utah


In nature, twins form very early in development when the embryo splits in two. ... Somatic cell nuclear transfer (SCNT), also called nuclear transfer, uses a different ... Next they removed the nucleus and all of its DNA from an egg cell. ... The lamb, Dolly, was an exact genetic replica of the adult female sheep that donated the ....

Genetics Overview - Science Behind the Genographic Project ...


The complete set of some 20,000 to 25,000 genes is called the genome. ... If unwound, the microscopic DNA strands in one cell's nucleus would stretch to over ... This recombination process makes it difficult to study lines of descent because it ... that determines gender—men have a mismatched pair (Y and X), while women ...

Biological Basis of Heredity: Cell Reproduction - Palomar College


in special tissues of male testes and female ovaries click this icon to hear the ... cells for growth, repair, and the general replacement of older cells is called mitosis. ... the specialized cells from which they come do not have nuclei nor do the red .... Study Suggests Way To Create New Eggs In Women--National Public Radio ...

Rutherford Mythology - Ernest Rutherford - Scientist Supreme


Rutherford had several other women students including Fanny Gates, May Leslie and ... states "I was still agonizingly shy, and quite unacustomed to dealing with men." ... Ernest Rutherford was the first person to knowingly split the nucleus, in 1919 at ... The atom bomb should have been called the nuclear bomb, because it  ...

Lincoln Physics: Important Women in Physics, Part 3: Lise Meitner


Jun 8, 2014 ... You've heard of fission, the splitting of a nucleus. We imagine the nucleus of an atom, for example, uranium, as a droplet of jelly or water that can split—fission, it is called. ... Meitner studying, the only woman among men. Later ...

Chromosomes and DNA - The Biology Corner


... of reproduction that occurs in bacterial cells, single celled organism splits and becomes two ... Chromosomes are found in the nucleus ... Sections of chromosomes are called genes ... If you have XX sex chromosomes - you are female ... If a sperm cell containing a Y chromosome fertilizes an egg, the offspring will be male.

Male-Female Aspects in the Universe - SunStar Solutions


Vesica Pisces - the splitting apart is called mitosis, i.e. cell division, also, ... The reason we have male-female split apart is a resulting disconnection when the " Eve" ... An atom consists of a nucleus, which is made up of protons, neutrons, and the ...... Years later, he told me I would eventually study Astrology and said...

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meiosis | Learn Science at Scitable - Nature


Meiosis begins following one round of DNA replication in cells in the male or female sex organs. The process is split into meiosis I and meiosis II, and both meiotic divisions have multiple ... During telophase I, the chromosomes are enclosed in nuclei. The cell now undergoes a process called cytokinesis that divides the ...

Gametes: Definition, Formation & Fusion - Video ... - Study.com


Jun 18, 2015 ... Both the male and female gametes are formed during a process of ... So, during meiosis DNA or chromosomes are copied, then split into two cells ... The two haploid cells will fuse together to form a diploid cell called a zygote.

What is meiosis? | Facts | yourgenome.org


Jan 25, 2016 ... These cells are our sex cells – sperm in males, eggs in females. ... Outside of the nucleus<sup>?</sup> are two centrosomes, each containing a pair of ... may then exchange bits of DNA in a process called recombination or crossing over.