According to data from the Human Genome Project, the number of genes in the human genome is estimated to be between _____
a. 20,000 and 25,000
b. 50,000 and 75,000
c. 150,000 and 200,000
d. 5,000 and 10,000
e. 80,000 and 100,000
a
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Which description applies to individuals who are well adapted for a particular environment?
A) They may or may not be equally fit in another environment. B) They are the best fit for all other environments. C) They are at a disadvantage in other environments. D) They will mutate to become fit in other environments.
Why do many animals do most of their calling at dawn and dusk?
A. Imprinting behaviors are better received at those time. B. Animals preferentially mate at night. C. Air is less turbulent and carries sound better. D. Most predators are not active at those time. E. Pheromones are released at dawn and dusk.
The basis of heredity was the direct result of critical and logical thinking. After considering alternative scientific explanations to explain the data he obtained, Gregor Mendel laid the foundation for genetics. His conclusions were based on carefully planned investigations. What organism did Mendel select to carry out his investigations?
A) snapdragon plants B) fruit flies C) mice D) pea plants
Which of the following phrases INCORRECTLY completes the following statement? The Hox complexes of mammals
A. encode genes homologous to those found in the antennapedia and bithorax complexes. B. are located on a single chromosome, similar to what is seen in Drosophila. C. follow the colinearity rule. D. determine cell fate on the anteroposterior axis. E. suggest there is a basic body plan that is followed by all multicellular organisms.