Mendel and the mixed up moggie

http://www.newscientist.com/article/mg15220596.000-review--mendel-and-the-mixed-up-moggie.html

Summary: Laura Gould brings home a calico cat named George. George should be female, because everyone knows that only females can be calicos. Even a glance at George's body shaows that he is all male. This unusual discovery her on a search for the genetic anomaly that created her mixed-up moggi.

Explain the phenomenon being described in the article. A cat that is suppose to be a female looks like a male

What is the difference between a genotype and a phenotype? A genotype is the letters, the phenotype is the appearance

List three things you learned from this article in your own words.
1.) Calico cats are all female.
2.) Calico's are red, black, or white
3.) Mendel made a mistake with his experiment

What impact would the not understanding genetics have on medicine or agriculture? you wouldnt be able to know how to make medicines and cure people