PCB 3063- Exam 1 Hughes Practice Questions and Answers
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PCB
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PCB
PCB 3063- Exam 1 Hughes Practice
Questions and Answers
Alternative forms of a gene are called ________. - ANSWER-alleles
Genetics is the study of ________. - ANSWER-heredity and variation
The phenotype of an organism is __________. - ANSWER-the observable features of an organism
Name the indiv...
In 1996, a cloning experiment produced the sheep named Dolly. Contrary to the more traditional
method of cloning by embryo splitting, Dolly was produced by which procedure? - ANSWER✔✔-nuclear
transfer
DNA replication produces two identical DNA molecules, called ___________, which separate during
mitosis. - ANSWER✔✔-sister chromatids
After chromosomes condense, the _________ is the region where the identical DNA molecules are most
tightly attached to each other. - ANSWER✔✔-centromere(s)
During mitosis, microtubules attach to chromosomes at the __________ - ANSWER✔✔-kinetochore(s)
In dividing cells, most of the cell's growth occurs during _______ - ANSWER✔✔-interphase
The ________ is a cell structure consisting of microtubules, which forms during early mitosis and plays a
role in cell division. - ANSWER✔✔-mitotic spindle(s)
During interphase, most of the nucleus is filled with a complex of DNA and protein in a dispersed form
called ______ - ANSWER✔✔-chromatin
In most eukaryotes, division of the nucleus is followed by _______, when the rest of the cell divides. -
ANSWER✔✔-cytokinesis
The _______ are the organizing centers for microtubules involved in separating chromosomes during
mitosis. - ANSWER✔✔-centrosome(s)
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