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One hypothesis that explains the result is : A) Two genes are involved with 12:3:1 epistasis, such that A_B_ and A_bb are black, aaB_ is brown,and aabb is green.
Explanation:
- This is a case of Dominant Epistasis.
- When two genes are involved and presence of dominant allele of one gene masks the effect of either allele of the second gene then the epistasis is termed as dominant epistasis.
- In the given case black :brown: green ratio is approximately equal to 12:3:1.
- Here presence of a dominant A allele that is responsible for the black colour masks the effect of either allele of B. Therefore A_B_ and A_bb produces black beetles
- Again , absence of dominant A allows B to express itself and Brown beetles are produced thus aaB_ is brown.
- When both the genes are present as recessive alleles, neither brown nor black colour is expressed and the beetles are green.Thus, aabb are green.
Answer:
Answer: Desert mole excretes concentrated urine with urea. Marine fish excretes urine with uric acid. Tilapia excretes dilute urine with amino acids.
Answer:
None of the questions asked can be answered completely from the graph provided
Reason
1) Which source of electricity generation caused the most emissions?: The graph does provide the information of greenhouse gas emission from different sectors like electricity, transport, industry, agriculture, commercial and residential. Electricity can be generated from several sources like hydrothermal, nuclear, etc. However, information of how these sources contributes towards greenhouse gas emission via electricity sector is not provided in graph
2) What types of industries are responsible for greenhouse gas emissions?: The graph does provides the information about total greenhouse gas emissions from industries. However, individual contribution from different types of industries cannot be answered.
3) Which natural sources of greenhouse gas emissions are shown here?: The graph provides information about greenhouse gases emission only due to human activity like electricity generation, agriculture, etc. and not from natural sources.
4) Why is agriculture the largest source of greenhouse gas emissions?: The reason for largest emission of greenhouse gas due to agriculture cannot be answer from information provided.
5) What caused the dip in greenhouse gas emissions in transportation after 2007?: The reason for dip in greenhouse gas in transportation cannot be answer from information provided.
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Explanation:
It is The shoot and the root systems
