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Eukaryotic cells may divide through mitosis or meiosis. In humans, mitosis generates new cells for growth and repair. And, meiosis generates sex cells (gametes), known as the sperm and eggs. Modifications or mutations in the genes in sex cells may be inherited by human offspring. Genetic variation in a population of organisms is good; but, sometimes mutations may be harmful or may cause genetic disorders.
Answer the following questions in brief:
a) How do the meiosis and sexual reproduction (fertilization) generate the offspring which differ genetically from the parents?
b) Describe one example of the human disorder which is inherited and also explain the specific inheritance pattern. For this example, pick disorders which result from mutations in DNA or chromosome number rather than examples like a genetic tendency for a disorder like cancer.
Biochemical feedback regulation or end product inhibition. What are the most general neurotransmitters in the brain.
If the experimental animals in the chamber were engaged in physical activity (such as running in a wheel), how do you think this would change results of the metabolism experiment. What changes would you expect to see in the fluid levels of manometer.
Explain the advantages of Nitrogen fixing plants to the humans and its role within the ecosystem in detail. Browse the Internet and select a way (other than giving the oxygen) that plants are useful to the humans.
The man married with a woman whose sister had galactosemia. The woman is now pregnant with their first child. What is the possibility that this child will have galactosemia.
If the ATP synthase molecules were randomly orientated so that about half faced the outside of the vesicle and half faced the inside, would you expect ATP to be synthesized.
During the method of inspiration, the ______ contracts, pulling downward. Also, the ______ muscles contract and lift the rib cage. Together, these muscle contractions result in the ______ in the pressure in the ______ cavity.
The difference among the three categories of cytoskeletal elements would suggest that each of has specialized roles. Which is an accurate match.
If the genes were expressed in the cell, predict that signal would win out for the following combinations. Give details your reasoning.
Normal immature cell. Process of forming blood. A substance that forms red blood cells. White blood cells I mmature cell in the bone marrow
How do these duplications arise and what do they propose in terms of mechanisms of transposition. Could you help to understand FEV1/FVC and how the expected percentage of this figure relates to respiratory problems.
Is this organism recovered more frequently as a nosocomial pathogen, as a community-acquired pathogen, or at similar rates in both settings? Elucidate your choice.
An inbred mouse that expresses Db and Kb is crossed with an inbred mouse that expresses no class I MHC. The F1 offspring are all DbKbKk.
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