The independent assortment of allele pairs is due to
A. the independent segregation of homologous chromosome pairs during anaphase II.
B. the random combination of gametes during fertilization.
C. the independent segregation of sister chromatid pairs during anaphase I.
D. the independent segregation of non-sister chromatid pairs during anaphase II.
E. the independent segregation of homologous chromosome pairs during anaphase I.
E. the independent segregation of homologous chromosome pairs during anaphase I.
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Allele frequency can be measured using what technique?
A. observation of phenotype B. gel electrophoresis C. DNA sequencing D. All of the answer options are correct. E. None of the answer options is correct.
Which of the following statements is FALSE?
a. Crossing over tends to reduce the frequency that two linked genes are inherited together. b. Independent assortment of homologous chromosomes during meiosis increases variation. c. Crossing over leads to variation. d. Abnormal number or structure of chromosomes may influence the course of evolution. e. The closer together genes are found on a chromosome, the greater is a chance that crossing over will occur between them
The two true pathogenic enteric genera of the Enterobacteriaceae are _____ and _____.
Fill in the blank(s) with the appropriate word(s)
Suppose that mitosis were used to produce the gametes. What unique problems would be encountered? Make a prediction about the future of humans as a species
What will be an ideal response?