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In a test of his chromosome theory of heredity, Morgan crossed an (F1) female Drosophila with red eyes to a male with white eyes, cross (B). Morgan presumed the female was heterozygous for the X-linked recessive white-eye allele and that the male was hemizygous for white eye. The results of the cross were 129 red-eyed females, 132 red-eyed males, 88 white-eyed females, and 86 white-eyed males. Test these data by chi-square analysis, and determine if the results are consistent with Morgan's hypothesis that Drosophila eye color is an X-linked trait.
A) Results are completely consistent with the hypothesis.B) Results are not consistent with the hypothesis.
Insulin is released from pancreatic b cells when blood glucose levels increase and glucagon is released from pancreatic a cells when blood glucose levels decrease.
In a Mendel assignemnt, I was given F2 generation of ear corns yellow plump, yellow shrunken, purple plum, and purple-shrunken with a phenotype ratio of 9:3:3:1.
One blood glucose meter always reads 10 too high. Another meter reads anywhere from 5 to 9 too high. Which one is the more precise? which one is the more accurate? How is accuracy different from precision?
During exercise, 25 glycogen molecules and 150 glucose molecules are used to produce energy. How many net ATP are formed from carbohydrate metabolism if the end products are CO2 and water.
Mendel conducted monohybrid crosses using pea plants that differed in flower color. The allele for purple flowers is dominant to the allele for white flowers.
Discuss when we compare amino acid differences to determine the evolutionary "distance" between organisms, what assumptions are being made about the rate at which mutations occur over time?
Describe and diagram the synthesis of a secretory protein on membrane-bound, Er-localized ribosomes.
What is the function of dideoxyribonucleotides in sequencing DNA.
In order for multicellular organisms to develop properly and maintain homeostasis, the cells must be able to communicate with each other so that their responses are appropriate and coordinated.
After leaving the end of a ski ramp, a ski jumper lands downhill at a point that is displaced 66.2 m horizontally from the end of the ramp.
Consider the reaction: PCl5 (g) = PCl3 (g) + Cl2 (g). The degree of dissociation is given by the fraction of PCl5 that has undergone dissociation.
Their water vascular system with tube feet is unique. Sea lilies (Crinoids) might be closest to the ancestral echinoderm. Other groups are modified from this. Chordates -An interesting sidelight: Which side is up.
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