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Usimov
7 days ago
5

A haploid species has a gene on chromosome 2 which codes for lactase. In nature, four different alleles of the lactase gene have

been identified. How many different alleles could you find in the genome of a single individual of this species
Biology
1 answer:
s2008m [569]7 days ago
7 0

Answer:

Haploid organisms contain a single allele per locus.

Explanation:

Haploid species will always have only one allele present for any given locus. These organisms possess one full set of chromosomes in their somatic cells. Although most species are typically diploid, there are exceptions (for instance, male bees, ants, and wasps develop from an unfertilized egg). Hence, in haploid organisms, the frequencies of alleles and genotypes are identical. It is also noteworthy that the remaining three alleles will be allocated among the other haploid individuals in the population.

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A biologist conducting research on ponds in Alaska aims to explore if pond temperature influences fish length within those ponds. He captures and measures fish across different ponds, amassing the following information:

Choose a graphical method, such as a bar chart or scatter plot, to display this data. Following that, summarize the findings to ascertain whether there is a connection between temperature and fish size.

Explanation:

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Planting additional legumes in the area shown above would most likely lead to which of the following?
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I'm inclined to think it is C An increase in nitrogen-fixing bacteria activity, but I’m not entirely certain

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Species A and species B are in the same phylum. Species A and species C, but not species B, are in the same order. From this inf
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Answer:

Species A, B, and C share the same phylum.

Explanation:

Organisms are categorized based on a taxonomic structure that involves various ranks such as species, genus, order, and family.

This hierarchy includes:

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Based on the information provided, since species A and C fall under the same order, it implies they are also classified within the same class and phylum...

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11 days ago
Dan ""threw out his back"" after lifting heavy furniture and complained of pain radiating down the back of his right leg. Use an
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When Dan "threw out his back," the anatomical areas susceptible to injury align with the lumbar region of the spine, affecting the sciatic nerve and resulting in discomfort often referred to as the posterior area of the lower right limb. The imaging method employed for diagnosis would be Nuclear Magnetic Resonance Imaging.

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Physical activities, such as lifting heavy items, can lead to lower back injuries which vary from painful muscle spasms, torn muscles, or harm to the lumbar spine's intervertebral discs.

In Dan's case, attempting to lift the furniture could lead to:

A herniated disc located between two vertebrae.

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Damage to the sciatic nerve can cause a range of symptoms, including pain or nerve issues such as tingling, numbness, and sharp pains in the nerve's area.

Dan experienced pain in the posterior of his right leg where the compromised sciatic nerve travels.

Which imaging method would you suggest to identify a spinal issue?

The most suitable imaging technique to evaluate potential lesions for spinal injury diagnosis is Magnetic Resonance Imaging, which allows for the analysis of bone structure and soft tissues (muscle, cartilage) in the affected area.

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