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#Question id: 347


A beaker contains 100 milliliters (mL) of NaOH solution at pH = 13. A technician carefully pours into the beaker 10 mL of HCl at pH = 1. Which of the following statements correctly describes the result of this mixing?

#Section 2: General Biology
  1. The concentration of Na+ ions will rise.

  2. The pH of the beaker's contents will increase.

  3. The pH of the beaker's contents will be neutral.

  4. The pH of the beaker's contents will decrease.

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#Question id: 3560

#Section 3: Genetics, Cellular and Molecular Biology

During which phase of meiosis does the segregation described by Mendel primarily occur?

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#Question id: 3561

#Section 3: Genetics, Cellular and Molecular Biology

During which phase of meiosis does independent assortment occur?

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#Question id: 3562

#Section 3: Genetics, Cellular and Molecular Biology

In cats, blood-type A results from an allele (IA) that is dominant over an allele (iB) that produces blood-type B. There is no O blood type. Two heterozygous was intercross. What is the probability of first offspring blood-type B?

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#Question id: 3563

#Section 3: Genetics, Cellular and Molecular Biology

Independent assortment is based on the random separation of homologous pairs of chromosomes in anaphase I of meiosis; it takes place when genes encoding two characters are located

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#Question id: 3564

#Section 2: General Biology

Population locus with four alleles. How many genotypes are present in the population?

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#Question id: 3565

#Section 3: Genetics, Cellular and Molecular Biology

Mendel crossed yellow-seeded and green-seeded pea plants and then allowed the offspring to self-pollinate to produce an F2 generation. The results were as follows: 6,022 yellow and 2,001 green. Which of the following statements correctly describes the relationship of the allele for green seeds to the allele for yellow seeds?