February_21-traits_in_humans - result of a dominant allele...

Info icon This preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
February 21-traits in humans One change in amino acid causes sickle cell Number of genes, number of traits 1 gene 1 trait 1 gene multiple traits Many genes 1 trait Sex determintation o Ratio of men to women should be 50/50 o Actually ratio is 110 males to every 100 females Sex-linked traits o XcY-> Color blind male o XcX-> female-normal vision because x is dominant o XcXc-> color blind female If you are a color blind girl your father was color-blind Hemophilia is sex-linked Gene for sex-linked is X chromosome related Baldness is NOT sex-linked it is sex related In every female cell, one X chromosome is inactive Human genetics o Down syndrome Contain 3 chromosome 21’s instead of just 2 o Huntingtons disease
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: result of a dominant allele • hh normal Hh huntington’s disease • if you have huntintons when you are 40-50 you begin to suffer pains • if you have a parent with the disease the offspring has a 50% chance of inheriting the disease o Sickle-Cell fibrosis CC-normal Cc-carrier Cc-systick fibrosis • Central Dogma o Dna is a double helix and if you separate them, each strand will connect with a coinciding strand o Dna seperates, end up with 2 strands just the way they began o Dna stays in nucleus genetic into goes to cytoplasm o Rna is manufactured by dna o Rna moves to cytoplasm and finds a ribosome o The order of rna nucleotides give order to amino acids (protein)...
View Full Document

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern