_____ During which phase of mitosis do the chromosomes becomes chromatids? A) te
ID: 82658 • Letter: #
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_____ During which phase of mitosis do the chromosomes becomes chromatids? A) telophase B) anaphase C) prophase D) metaphase E) cytokinesis _____ The human X and Y chromosomes A) are both present every somatic males and females alike B) are of approximately equal size of genes. C) are almost entirely homologous, despite their different names. D) include genes that determine an individual s biological sex. E) include only genes that govern sex determination. _____ To repair a thymine dimer by nucleotide excision repair, in which order do the necessary enzymes act? A) exonuclcase. DNA polymerase III, RNA primase B) helicase, DNA polymerase I, DNA ligase C) DNA ligase, nuclease, helicase D) DNA polymerase I, DNA polymerase III, DNA ligase E) endonuclease, DNA polymerase I, DNA ligase _____ In cats, black fur color u caused by an X-linked allele, the other allele at this locus causes orange color. The heterozygote is tortoiseshell. What kinds of offspring would you expect from the cross of a black female and an orange male? A) tortoiseshell females; tortoiseshell males B) black females; orange males C) orange females; orange males D) tortoiseshell females; black males E) orange females; black males _____ The leading and the lagging strands differ in that A) the leading strand is synthesized in the same direction as the movement of the replication fork, and the lagging strand is synthesized in the opposite direction. B) the leading strand is synthesized by adding nucleotides to the 3' end of the growing strand, and the lagging strand is synthesized by adding nucleotides to the 5' end. C) the lagging strand is synthesized continuously, whereas the leading strand is synthesized in shoo fragments that are ultimately stitched together. D) the leading strand is synthesized at twice the rate of the lagging strand. _____ Using which of the following techniques would enable your lab group to distinguish between a cell in G_2 and a cell from the same organism in G_1? A) fluorescence microscopy B) electron microscopy C) spectrophotometry D) radioactive-labeled nucleotides E) labeled kinetochore proteinsExplanation / Answer
(25)Prophase
During Prophase II- the Chromosomes with two chromatids become visible as they condense.
(26)D. Include genes that determine individual's biological sex
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