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Scientific Inquiry, Controlled Experiments Then and Now Start by observing the living species around you. Ever wonder why a pollinator is attracted to a particular flower, or what would happen to predator species if a particular prey species is eliminated? If you were a scientist you could do an experiment to answer your question.
For this assignment, choose two non-human species that interact with each other, such as bees and flowers, or predator and prey species, or two species that compete. Or, you can consider the effect of an environmental factor on living non- human organisms, such as the effects of light or sound on plants or animals, or how food preference, or nutrient quantity / quality affect plants or animals. These are just a few examples. Your observations may lead you to many other types of questions about living organisms, their interactions, and requirements for life.
Start with an Introduction/Observation and move through the steps of the Scientific Method as outlined below. Your paper should follow this format.
A geneticist makes a cross between two homozygous strains of maize with three different mutations. For symbols, you can use a capital to indicate the dominant allele.
When yellow mice are crossed with albinos, they produce F1 mice consisting of ½ albinos, ? yellow and 1/6 agouti. What are the possible genotypes of the parents.
What will be appearance of the offspring of a cross of the F1 peaches back to that smooth,oval glanded parent. How several diploid Drosophila cells would be needed to have 1 picomole of each allele.
throughout an experiment utilizing potatoes and the enzyme catalase, the heated potated exhibited less gas production when exposed to hydrogen peroxide. Explain why this happened?
Phenylketonuria, PKU, is a neurodegenerative disorder resulting from inability to metabolize phenylalanine. PKU is inherited as autosomal recessive trait.
On an autosome, genes A and B are twenty map units apart. An AABB male mates with an aabb female. Determine % of the gametes produced by their hybrid offspring will be Ab?
Application of an insecticide to control mosquito populations in malaria infested areas quickly resulted in a dominant mutation, R, resulting in insecticide resistance.
A system is given by two compartments separated through a thin membrane, and solute moves from one compartment to the other through diffusion. The volume of compartment 1 is 0.03 cm^(3) and compartment 2 is 0.01 cm^(3).
Researchers analyzed rates of twin births in the Sami population of Northern Scandinavia during the 18th and 19th centuries.
The global community is plagued by increasing incidence of lung cancer, colorectal cancer, breast and pancreatic cancers, prostate cancer, leukemia, non-Hodgkin lymphoma, liver, ovarian and esophageal cancers.
At the present we know that over 99 percent of the time, glucose occurs in the closed-ring form. What likely difference between these forms would give chemists a clue that the open-chain form was not present.
A dog homozygous for both dominant traits is mated to a droopy-eared silent follower. The expected phenotypic ratio and genotypic ratio in the F-1 generation.
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