Assuming that p = 0.3 for a population in Hardy-Weinberg equilibrium, what would be the expected frequency of heterozygotes for the involved allelic pair?
What will be an ideal response?
0.42
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What is the key to the recognition of incomplete dominance?
A) The phenotype of the heterozygote falls between the phenotypes of the homozygotes. B) The trait exhibits a continuous distribution. C) The alleles affect more than one trait. D) The heterozygote expresses the phenotype of both homozygotes.
Molecular/structural orientations (gradients) in an egg are thought to play a significant role in development. What is the origin of such gradients?
A) During early development, the nucleus is placed into position of the highest concentration. B) The side facing up has the lowest concentration of molecules. C) When an egg is fertilized, the gradient is set up based on the side of the egg on which the most mitochondria reside. D) During formation of the egg, nutritional as well as informational molecules (RNAs) are placed in appropriate positions for the development of the embryo. E) Where the sperm penetrated the egg is the area of highest concentration.
Work by ________ laid the foundations of immunology with the development of vaccines.
A. Redi and Spallanzani B. Koch and Pasteur C. Jenner and Pasteur D. Lister and Semmelweis E. Pauling and Woese
Which of the following joints is a fibrous joint?
A. intervertebral disks B. elbow C. knee D. ribs and sternum E. sutures between cranial bones