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Allisa [31]
3 years ago
14

When modeling fisheries: (You may choose one or more answers)

Biology
1 answer:
melomori [17]3 years ago
6 0

Answer:

Option A, Fixed quota models are risky because slight miscalculations can result in fish population extinction

Explanation:

Some of the major drawbacks of modelling fishing are as follows –  

a) The fixed quota model is very risky as a miniscule change in attributes can result into extinction of fish.  

b) On the other hand fixed effort harvesting can decrease the risk of fish population extinction

Hence, option A is correct

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A gene for corn has two alleles, one for yellow kernels and one for white kernels. Cross pollination of yellow corn and white co
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The question is incomplete. The complete question is:

Question: A gene for corn has two alleles, one for yellow kernels and one for white kernels. Cross pollination of yellow corn and white corn results in ears of corn that have an approximately even mix of yellow and white kernels. Which term best describes the relationship between the two alleles?

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Answer:

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Explanation:

Codominance is a pattern of inheritance when none of the alleles of a gene is able to mask the expression of the other allele of the same gene. When the two alleles are present together in a heterozygous genotype, both are expressed and the phenotype of the heterozygote is different from both the pure breeding parents. In the given example, cross-pollination of yellow corn and white corn results in the ears of corn that have an approximately even mix of yellow and white kernels. This means that the heterozygote expresses both the allele for the corn color. Therefore, it represents codominance.

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Describe the basic storage mechanism for DNA using the words histone complex, nucleosome, chromatin and chromosome.
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