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1. White Eyes female x Eyeless male2. predict the phenotypes of the F1 males and females3. test prediction by Chi squared analysis.4. then cross an F1 female with an F1 male5. predict the phenotypic ratio (show branch diagram to explain why you predict this ratio), show results and test with Chi square analysis.
Note that in most cases, the fly that you design is going to be true breeding (homozygous). However, in some cases that will not be true. If the results of the reciprocal Parental crosse do not produce any of the expected results, then cross the affected F1 by affected F1 and come up with a hypothesis to explain the ratio observed and test that hypothesis with Chi squared analysis. If rejected by Chi squared repeat untill you come up with a hypothesis that is accepted.
Explain the role of water potential in the movement of water from soil through the plant and into the air?
There are many challenges that organisms must meet to survive. Describe two challenges and explain how plants and animals are able to meet these challenges. Be specific about structures (anatomy) involved and molecules (physiology) involved.
A horse has a diploid complement of 64 chromosomes including 36 acrocentric chromosomes. The donkey has 62 chromosomes including 22 acrocentric chromosomes.
Consider a pre-mRNA that is 12,700 nucleotides long and contains seven 100 base exons separated by 2000 base introns. It seems like an overwhelming task for the splicing machinery to find the exons buried in the intron sequences and to splice them..
We have to attach all of the sources. I am having trouble finding anything but instances and biology teacher notes. I have worked on this for 2 days and only have an opening statement that seems to pretty much sum up everything.
when does true labor begin.
Assume if a eugenic sterilization law were universally enforced, such that all feebleminded individuals were sterilized before reaching sexual maturity.
Explain the body's mechanisms for controlling blood glucose levels under normal and stress conditions.
Homologous chromosomes separate and are pulled to opposite sides of the cell during what stage of cell division? (Read each option carefully.)
evaluate and contrast the electron transport systems. Include a discussion of the inputs and outputs of each ETS and also give examples of specific electron carriers.
The most common therapy for warts is cryotherapy, in which liquid nitrogen is applied to the area of the wart every few weeks, freezing it for a few seconds until the wart falls off.
Suppose you are interested in studying dogs as a system for obesity. You crossed a Cocker Spaniel to a Labrador Retriever and interbred the offspring for many generations.
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