The Biological and Cultural Forces That Differentiate Males and Females

2918 WordsMar 19, 201312 Pages
Ewa Strumidlo 12/3/12 Origins of human nature The Biological and Cultural Forces That Differentiate Males and Females Culture and biology is very important while comparing males and females. Everyone is different but we all came from the same place and all evolved together. Males and females both have different unique characteristics that will benefit them in the long run. There are also a lot of similarities that connect males and females together. Although there is a lot of hate and aggression in the world, but that’s the way we will stay alive. We need to defend our own gender and human nature. As the world continues to change and society’s expectations change, more similarities and differences between males and females…show more content…
“Under this influence of androgens such as testosterone it grows into a penis. Under the influence of estrogen the phallus becomes a clitoris.” (Fausto-sterling, 23). Even biology of creating a female is different than the biology of creating a male. In other species the biology and circumstances of making a child is different also. Although virgin birth is not real in human nature, virgin birth is common in a lot of species such as lizards. According to Fausto-sterling Lizards start embryonic development with fertilizing the egg. This process is called parthenogenesis. Some species such as bluegills, fertilization is external where they lay their eggs in water. There are many different types of fertilization or virgin birth but in the most part, human or mammal reproduction is the most complicated. Size The biological and cultural differences are very important when talking about males and females but the physical and fetus size differences also come about when talking about males and females. When looking at a male or female without looking at their facial features, sometimes you can tell if it’s a male or female but sometimes you cannot. Lets start with the differences in fetus head circumference. According to Fausto-sterling and the study by Bromley, Frigoletto, Harlow, Evans, and Benacerraf on healthy fetuses head circumference; the girl’s mean head circumference at eighteen weeks of gestation is forty two point one
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