The glass hydrometer is filled with air and weighted with lead at the bottom. it floats highest in the densest fluids and has been calibrated and labeled so that you can read this from it?

The glass hydrometer is filled with air and weighted with lead at the bottom. it floats highest in the densest fluids and has been calibrated and labeled so that you can read this from it?

  • Correct Answer: density
  • volume
  • mass
  • specific gravity

Explanation: CHAPTER SUMMARY 12.1 Mendel’s Experiments and the Laws of Probability Working with garden pea plants, Mendel found that crosses between parents that differed by one trait produced F1 offspring that all expressed the traits of one parent. Observable traits are referred to as dominant, and non-expressed traits are described as recessive. When the offspring in Mendel’s experiment were self-crossed, the F2 offspring exhibited the dominant trait or the recessive trait in a 3:1 ratio, confirming that the recessive trait had been transmitted faithfully from the original P0 parent. Reciprocal crosses generated identical F1 and F2 offspring ratios. By examining sample sizes, Mendel showed that his crosses behaved reproducibly according to the laws of probability, and that the traits were inherited as independent events. Two rules in probability can be used to find the expected proportions of offspring of different traits from different crosses. To find the probability of two or more independent events occurring together, apply the product rule and multiply the probabilities of the individual events. The use of the word “and” suggests the appropriate application of the product rule. To find the probability of two or more events occurring in combination, apply the sum rule and add their individual probabilities together. The use of the word “or” suggests the appropriate application of the sum rule.

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