With this in mind what kind of non mendelian trait is colorblindness

How many children did individuals I-1 and I-2 have? How many girls did II-1 and II-2 have? The pedigree to the right shows the passing on Carriers are intentionally not shown in this pedigree.

Is this trait dominant or recessive? How do you know? Is it possible for individual IV-2 to be a carrier? Pedigree Worksheet. The pedigree to the right shows the passing on of colorblindness.

What sex can ONLY be carriers of colorblindness? With this in mind, what kind of non-mendelian trait is colorblindness? Why does individual IV-7 have colorblindness?

Is Huntington's disease caused by a dominant or recessive trait? How many children did individuals I-1 and I-2 have? How many girls did II-1 and II-2 have? Grandpa and Granddaughter. How are individuals I-2 and III-5 related? Is hitchhiker's thumb dominant or recessive? The carriers are not marked.

Should there be carriers in this pedigree? How would you name the two individuals that have hitchhiker's thumb? Name the two individuals that should be marked as carriers of hitchhiker's thumb. Is it possible for individual IV-2 to be a carrier? No, because her parents don't have the trait. No, because she doesn't have the trait. Yes, because her siblings have it. Yes, because her parents are carriers. Which gender can be carriers of colorblindness and not have it?

What kind of trait is colorblindness if females can be carriers without having the disease? Why does individual IV-7 have colorblindness? Another example of co-dominance is blood typing in human beings. Ignoring positive and negative blood typing, there are four blood types:. Sex-linked traits occur when an allele is located on the X-chromosome. A lot of hereditary diseases, like hemophilia and cystic fibrosis, are sex-linked. These traits can either be dominant or recessive.

If the trait is dominant, than every individual that receives an X-chromosome with the allele will display these traits. If the trait is recessive, then every male with the allele will display the traits. Female offspring will only display the traits if both of their their X-chromosomes have the recessive allele. In both examples, the father is unaffected and the mother only has one affected X-chromosome. Colorblindness is a recessive sex-linked trait.

Which of the following must be true for two parents to produce a colorblind daughter?