If a diploid organism has a genome consisting of 4 chromosomes, it can produce ____ different combinations of chromosomes (disregarding crossing over)
a. 4
b. 8
c. 12
d. 16
e. 64
d
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As a child grows, the lungs increase in size as well. Hypothesize what the pressure of the gases within the lungs would be if the lung volume of an individual goes from 3000ml to 4000ml.
A. gas pressure would decrease B. gas pressure would increase C. gas pressure would be unchanged
In an experiment, the control group is:
a. not subjected to experimental error. b. exposed to experimental treatments. c. maintained under strict laboratory conditions. d. treated exactly the same as the experimental group, except for one variable. e. statistically the most important part of the experiment.
In fungi and protists, gametes produced by ____ of haploid cells fuse to form a ____ zygote, which then undergoes
____ to restore the haploid chromosome number. a. mitosis, diploid, meiosis b. meiosis, diploid, mitosis c. mitosis, haploid, meiosis d. meiosis, haploid, mitosis e. mitosis, diploid, mitosis
The preprophase band consists of chromosomes aligned in a particular pattern. Indicate whether the statement is true or false