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Harrizon [31]
3 years ago
11

A ___Len is used in a magnify glass

Biology
2 answers:
Fofino [41]3 years ago
8 0
A Convex Lens is the type of lens used in magnifying glasses.
Vladimir [108]3 years ago
8 0
I Think Its A Convex Lens 
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Which of the following occurs during<br> Prophase?<br><br> Answer: Nuclear envelope breaks down!
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During prophase, chromosomes condense and exit the nuclear envelope to align during metaphase. Anaphase follows metaphase, and is characterized by the separation of sister chromatids. Telophase is the final mitotic stage, during which the cell prepares for cytokinesis.

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3 0
3 years ago
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A population of 100 tigers has 30 with horizontal stripes. Using pedigrees, you ascertain that horizontal striping is caused by
bixtya [17]

Assuming that this population is in Hardy-Weinberg equilibrium, we can sayt that  <em>the</em><em> probability</em><em> that, given enough time, all tigers in the population will have horizontal stripes is</em><em> 30% = 0.3.</em>

--------------------------

<u>Available data:</u>

  • Population size, N = 100 tigers
  • Number of Tigers with horizontal stripes = 30
  • Horizontal stripes is caused by an autosomal recessive mutation.

We need to know the probability that all tigers in the population will have horizontal stripes, which is the recessive phenotype.

We assume that the population is in Hardy-Weinberg equilibrium, so there should be no evolution.

Since the population is in H-W equilibrium, the allelic, genotypic and phenotypic frequencies will remain the same generation after generation.

Now, we will calculate the allelic and genotypic frequencies of horizontal striped individuals in the population.

There are 100 individuals, and only 30 have horizontal stripes.

So, the phenotypic frequency, F(HS) is 30/100 = 0.3 = 30%

Since this is a recessive phenotype, this value equals the genotypic frequency, F(hh) = 30%

Finally, we can get the allelic frequency by taking the square root of this value.

F(hh) = q² = 0.3

f(h) = q = √0.3 = 0.55 = 55%

According to these calcs, the probability for the fixation of the recessive allele is 55%, and the probability that all individuals express the recessive horizontal stripes phenotype is 30%.

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You can learn more about Hardy-Weinberg equilibrium at

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The regulation of body temperature exclusively from the external environment is referred to as
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I believe that you're question is referring to homeostasis
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What are the two phases in the m phase
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Anaphase and prophase

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g What technique of genomic library construction allows the genome to be cut by a given restriction enzyme at some but not all r
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Which DNA is restricted to making a genomic library? Explanation: Total genomic DNA of an organism is digested using restriction endonuclease and the fragments are inserted into a suitable phage

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