Conditional alleles result in phenotypic differences in permissive as opposed to restrictive conditions. What do these conditions have in common?
What will be an ideal response?
environmental differences or environmental variations
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A large number of cases of a particular disease observed in a relatively short period of time in an area that previously experienced only sporadic cases of the disease is known as a(n)
A) pandemic. B) outbreak. C) endemic. D) zoonosis.
The homeotic gene Hoxc6 is the vertebrate version of ____, which determines the identity of the thorax in fruit flies
a. Dlx b. thoracia c. RHO d. CCR5 e. antennapedia
A "de facto" wilderness is an area that
A. is legally classified as wilderness. B. contains only small human settlements. C. is gradually returning to wilderness conditions. D. is wild but not legally recognized or protected. E. was once developed but no longer has human development.
Sodium (Na), atomic number 11, has a tendency to lose an electron in the presence of chlorine. After losing the electron, Na has ________ protons in its nucleus
A) 11 B) 10 C) 22 D) 21 E) 12