species blog 10

The chapter starts off with the previous belief that, "until 1955, it was agreed that human beings had twenty- four pairs of chromosomes." (24) A group of scientists had even abandoned their experiments because of their findings of only twenty three chromosomes found in each cell. However it was in 1955, when this claim was disputed and many researchers so much as went back and had found 23 chromosomes in previously published photographs rather than the believed to be 24. In apes 24 chromosomes are found in each cell while 23 are found on the human cells. It also addresses the theory of evolution on humans and acknowledges that humans and apes are 98% alike. Evolution is believed to trend based off of natural selection. This fact occurring in that species tend to optimize the most out of their natural environment. The chapter also addresses monogamy and its role in helping the shape the new genration as such hunting and gathering tactics as well as emergence of, "sexual division of labor. " Species behavioral differences occur in the genese which do separate us from ape although we are are 98% alike. It is chromosome 2 that we are found to be most related in which religions believe that it is where the human soul is found to be the closest.