The observable properties of genes is an organism's?
A. Genotype
B. Macroevolution
C. Gene pool
D. Phenotype
E. Allele frequency
D. Phenotype
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Coarse sediment bottoms primarily support
a. infauna. b. interstitial animals. c. epifauna. d. pelagic organisms. e. seaweeds.
In genomic imprinting:a
a gene is imprinted in the progeny, depending upon the phenotype of the parent. b. the expression of a gene depends on the parental phenotype. c. a gene is imprinted in the progeny, depending upon the age of the parent. d. the expression of a gene in the progeny depends upon which parent the gene is inherited from. e. only dominant traits are expressed.
Two primary factors in shaping the polarity of the body axes in chick embryos are _____
A) light and temperature B) salt gradients and membrane potentials C) gravity and pH D) moisture and mucus
Put the following steps in the procedure for producing a karyotype in the correct order.I. Cells are visualized under the microscope.II. Cells are stimulated to divide.III. Homologues are organized into sets by matching size and banding patterns.IV. The cells are exposed to a hypotonic solution.V. Cells are stained and placed on a microscope slide.
A. II, IV, I, V, III B. IV, II, V, I, III C. IV, V, II, I, III D. I, II, IV, V, III E. II, IV, V, I, III