Most of the sex-linked traits are found only on the X chromosome.
Answer the following statement true (T) or false (F)
True
Very few Y-linked alleles have been found on the much smaller Y chromosome.
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Why is it necessary to take special safety precautions when using radioactivity?
A. Radioactive substances will ionize cells. B. Radioactive substances have the potential to cause damage to living cells. C. Radioactive substances decay. D. Radioactive substances will perforate plasma membranes.
The rate at which population size grows or declines depends on the rate of _____
a. births d. emigration b. deaths e. births and deaths c. immigration f. all of these
Within an ecosystem, a tree is a
A) secondary consumer. B) detritivore. C) primary consumer. D) producer.
________ is the fluid found inside a chloroplast.
Fill in the blank(s) with the appropriate word(s).