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The R/r and S/s genes are linked and 20 map units apart. P generation is RR(s)(s) X (r)(r)SS ---> F1 R(r)S(s). The F1 is used for the test cross R(r)S(s) X (r)(s)/(r)(s) what fraction of the progeny will be R(r)S(s)?
Hans had had a strep throat two weeks before he was to start anew job. He had to complete some work before he could resign fromhis old position so he ignored the bacterial infection. In thefirst week of his new job he no ...
Microbiology 1. For what specific purpose was gram staining developed for? what is it used for today? 2. Why is the presence of air bubbles a sign of contamination? 3. Why is a gram stain helpful when monitoring bacteria ...
Ocean Systems According to the law of conservation of energy, energy cannot be created or destroyed, but it can change from one form to another 1. A boy doing a cannonball into the pool. He went from potential to kinetic ...
Trace the pathway of the blood through the heart and differentiate between pulmonary, systemic, and cardiac circulation.
The primary goal of the reproductive system is the production of a new human being. Let's consider each step of that process, beginning with the formation of gametes (sperm and eggs) and ending with birth. Can someone st ...
In the region where your live (Southeastern/GA), which types of ecosystems have experienced the worst degradation and loss? What steps could be taken to restore them?
Scientific advances are pointing researchers to new ideas about how to reduce the side effects of epilepsy medications and improve therapy options for those resistant to current medications. Ongoing studies in animals an ...
Write 2 differences between monocot and eudicot angiosperms.
What is the phenotypic ratio that can be used as a hypothesis for a heterozygous dihybrid cross (cross of heterozygotes for two traits) if the traits follow the properties of Mendelian inheritance?
Biology questions 1. What were the characteristics of the Pea plant that enabled Mendel to do his experiments? 2. How does probability and chance play an important role in genetics? 3. Explain the difference between gene ...
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