We have a family of genes that code for different forms of myosin. Where in the sequence would you expect to see differences among these genes?
A. regulatory region only
B. product coding region only
C. regulatory and/or product coding regions
D. no difference in any aspect of the gene
sequence
C
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You have two populations of flowering plants. In these populations floral color is controlled by one gene. The red gene (R) is dominant to the white gene (r). In population one, 75% of the flowers are red, in population two 25% of the flowers are white
Assuming H-W, which population has a greater frequency of the R allele? A. population 1 B. population 2 C. Neither; they both have the same frequency.
Which of the following is not one of the distinctive features of dinoflagellates?
A. They are unicellular. B. They are photosynthetic. C. Some exist in fresh water, while some are part of marine plankton. D. They form large, spherical colonies. E. Some planktonic members are luminous and cause flashes in the night.
Which of the following statements is
CORRECT about mutation?
a. Mutations caused by environmental factors are always repaired. b. Mutations occurring during the replication process are always harmful. c. Mutations only occur during DNA replication. d. Mutations occurring during the replication process only affect the secondary structure of proteins. e. Mutations are permanent changes in the base sequence of DNA.
Spermatogenesis is governed by _____
a. GnRH b. luteinizing hormone only c. luteinizing hormone and follicle stimulating hormone d. follicle stimulating hormone only e. GnRH, luteinizing hormone, and Sertoli cells