Back to top. But you started life as a single cell - a fertilised egg cell. Sorry, your blog cannot share posts by email. Mitosis is a way of making more cells that are genetically the same as the parent cell. Name required. Rate this
OR chromosomegenes as males XYwho have only one X chromosome. MIS blocks the development of paramesonephric ductspromoting their regression. A particular traits in human beings renders them unable to differentiate between red colour and green colour. Gonads are histologically distinguishable by 6—8 weeks of gestation.
See Article History. In females, without excess androgens, these become the clitorisurethra and vaginaand labia. Archived from the original on Differentiation of seminiferous tubules.
Hey, I'm only 18 and I thought I was going to have small boobs forever. However, they lack the testosterone receptor protein, and therefore cannot respond to the testosterone made by their testes. In other words, it tells the gonads to develop into testis rather than ovaries.
None any son is affected. Every fetus contains structures that are capable of developing into either male or female genitalia, and, regardless of the complement of sex chromosomes, all developing embryos become feminized unless masculinizing influences come into play at key times during gestation.
The largest chromosome, chromosome 1, contains about genes. Skip to navigation. For example, have you been told that you have 'your mother's eyes' or 'your grandmother's nose'? It can make copies of itself.