Alternative forms of a gene (producing differences in the trait) are called
What will be an ideal response?
alleles
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Two of the classic signs of infection, swelling and redness, are a result of:
A. the increase in cell density due to migration of phagocytes. B. the influence of histamines on blood vessels. C. changes in osmotic balance due to the presence of cytokines. D. All of the answer options are correct.
On average, humans differ by _____________________% of their genomic sequences
Fill in the blank(s) with correct word
In CAM plants, such as cacti, stomata are
a. open during the night and closed during the day. b. nearly always open. c. closed only when guard cells are not exposed to sunlight. d. almost never open. e. open during the day and closed during the night.
Organisms that can interbreed with each other in nature but are genetically isolated from all other organisms are a:
A) species. B) clone. C) genus. D) family.