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20 May 2019

devise a hypothesis that explains the geographical distribution of modern species, that if backed by evidence would support the theory of evolution. Devise a hypothesis that explains the geographical distribution of modern species, that is backed by evidence would refute the theory of evolution. regarding chapter 22 descent with modification campbell 10ed

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Nestor RutherfordLv2

20 May 2019

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Please help me with this question. This is a question from Genetics class:

A child has been admitted to your hospital with low blood O2 levels. A test for Î² thalassemia (a Northern blot) was done using a standard probe for Î² globin mRNA. This blot gave three different bands, indicating the patient has mRNA of three different sizes: one larger than normal, one smaller than normal, and one normal. The parents of the patient are both from Mediterranean countries but there is no reasonable chance that they are related.

a. Devise a hypothesis for the genotype of the child that explains how their genotype gives Î² thalassemia and also three different sizes of mRNA.

b. Devise a test (or tests) that will determine if your hypothesis is correct.

c. What results would you predict your test would give if your hypothesis is correct.

1. What prevailing views were directly challenged by the Principle of Uniformitarianism, first outlined by Charles Lyell in the Principles of Geology, which was published in 1830?

a. Earth is only a few thousand years old.

b. Species are fixed and unchanging.

c. Catastrophic events governed early Earth history and geologic processes operating in the past were fundamentally different from modern times.

d. A and C only

e. A, B and C

Which of the following statements are consistent with both Lamarckian evolution and modern views of Darwinian evolution?

a. Use and disuse of body parts allows organisms to adapt to their environment

b. Characteristics acquired during the lifetime of an organism are transmitted to offspring.

c. Evolution is progressive and goal-oriented.

d. New species are the result of descent with modification.

e. Natural selection is a mechanism of evolutionary change.

In the formula for determining a populationâs genotype frequencies, the term 2pq is based on principles of Mendelian genetics, which demonstrate that

a. heterozygotes can be produced in two ways.

b. the population is doubling in number.

c. heterozygotes have two different alleles.

d. A and C only

e. A, B and C

viridianraccoon618

Help with genetics question. I need explanation for answers. My prediction is: I would predict that one allele is producing two mRNAs, one normal and one abnormal. And the other allele is producing one mRNA of abnormal size.

I need help what kind of test can be done to prove this.

a. Devise a hypothesis for the genotype of the child that explains how their genotype gives Î² thalassemia and also three different sizes of mRNA.

b. Devise a test (or tests) that will determine if your hypothesis is correct.

c. What results would you predict your test would give if your hypothesis is correct.

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