What explanation is generally given for lethality of monosomic individuals?
What will be an ideal response?
Monosomy may unmask recessive lethals that are tolerated in heterozygotes carrying the wild-type allele.
Biology & Microbiology
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Each hemoglobin molecule can carry how many oxygen molecules?
a. 4 b. 6 c. 8 d. 10 e. 12
Biology & Microbiology
Chlorosis in plants is a condition best explained by
A. lack of oxygen. B. lack of soil moisture. C. lack of water. D. lack of carbon dioxide. E. lack of certain minerals.
Biology & Microbiology
Which of the following is NOT associated with
rheumatoid arthritis? a. autoimmune disorder. b. damage to lining of synovial joints c. women are more often affected d. can occur at any age e. crystals of uric acid accumulate in joints
Biology & Microbiology
Helper T cells produce ____
a. cytokines b. antibodies c. plasma cells d. chemicals that cause apoptosis e. histamine
Biology & Microbiology