Week 2 Assignment
Kelci Jackson
Please thoroughly answer the following 5 questions.
1.How would you set up crosses to determine if a gene was Y linked versus X linked?
It would be the elemental approach to assemble a duo of reciprocal crosses. The simplest way to be able to anticipate the patterns would be the phenotype of sons. You will be able to see if the trait is either Y - linked or X- linked. If the trait that is being passed down is X- linked, then the trait is going to be developed by the mother as the mother will pass it down to the son. If it is Y - linked the traits is developed by the father and would enable it to be passed down to the son only.
2.A black female cat (XBXB) and an orange male cat (X0Y) were mated to each other and produced a male cat that was calico. Which sex chromosomes did this male offspring inherit from its mother and father? Remember that the…show more content… Explain how the maternal effect occurs at the cellular level. What are the expected functional roles of the proteins that are encoded by maternal effect genes?
A maternal effect gene could be described as a gene in which it is the genotype of the mother that is going to be able to conclude the phenotype of the mothers offspring. When looking at a cellular level this happens because the maternal effect genes are expressed in what is called the diploid nurse cells the production of the gene products are then transferred into the egg. The production of the gene product is also a part of the early stages of the development of the embryo.
5.You have a female snail that coils to the right, but you do not know its genotype. You may assume that right coiling (D) is dominant to left coiling (d). You also have male snails at your disposal of known genotype. How would you determine the genotype of this female snail? In your answer, describe your expected results depending on whether the female is DD, Dd, or