In a given population of Drosophila, curly wings (c) is recessive to the wild-type condition of straight wings (c+)
You isolate a population of 35 curly winged flies, 70 flies that are heterozygous for straight wings and 45 that are homozygous for straight wings. What is the total number of alleles in the gene pool?
A. 2
B. 150
C. 230
D. 300
E. 140
D
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Which of the following statements about the differences between prokaryotic and eukaryotic genomes is FALSE?
A. Prokaryotic genomes are less complex than eukaryotic genomes. B. Prokaryotic genomes have centromeres, whereas eukaryotic genomes do not. C. Eukaryotic genomes have telomeres, whereas prokaryotic genomes do not. D. Prokaryotic genomes have one origin of replication, whereas eukaryotic genomes have multiple origins of replication. E. Chromosomes of prokaryotes have little repetitive DNA compared with chromosomes of eukaryotes.
A distinctive type of larva shared by several phyla of invertebrates and considered to be important in phylogeny is the
A. trochophore. B. paedomorph. C. gastrula. D. metamere. E. tadpole.
Which of the following is NOT a characteristic of the acquired immune response?
a. memory b. specificity c. ability to respond to millions of different antigens d. ability to distinguish self from nonself e. adaptive
Using the allele frequencies in the table below, what is the probability that a random person would be heterozygous 12/14 for VAW?
What will be an ideal response?