Choose one of the basic patterns of Mendelian inheritance and draw and explain a three-generation family pedigree illustrating that pattern
What will be an ideal response?
Here is one example:
This is a pedigree for a rare autosomal recessive trait. In this pedigree, most affected individuals have normal parents, and there is a 75% chance that a child will be unaffected and a 25% chance that a child of heterozygotes will be affected. Sexes are affected in roughly equal numbers.
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You are a skeptical scientist who is not convinced the phylogeny of animals is accurate. You wish to reconstruct the animal phylogeny using molecular sequence data. Which of the following genes would be the best choice?
A. genes involved in flagella development B. genes for mitochondrial cytochromes C. genes for collagen D. genes for jaw development
Honeybees will sting a bear that is robbing their hive even though the bees will die after they sting the bear. This is an example of
A) submission. B) conditioning. C) altruism. D) habituation.
Which of these events occurs first in seed germination?
A) Cell division occurs in the embryo and growth starts. B) Mitochondria multiply and provide energy for growth processes. C) Water is taken up. D) Oxygen is produced and proteins are synthesized.
All of the following are characteristic of the Group A beta-hemolytic streptococci EXCEPT
A) methicillin resistance. B) M proteins. C) the ability to damage cell membranes. D) the ability to dissolve blood clots. E) hyaluronidase production.