All multifactorial traits are polygenic but the reverse is not true. Indicate whether the statement is true or false
T
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In humans spermatogenesis and oogenesis differ in a number of ways. Which of the following is NOT one of them?
a. number of functional gametes produced by a single meiosis event b. ploidy of final meiotic products c. timing of meiotic divisions (when they occur in the male/female life cycle) d. number of gametes produced in a given time period e. all of these are differences between human male and female gametogenesis
In order for translation to occur:
a. the DNA must produce large numbers of free amino acids. b. replication must be occurring simultaneously. c. transcription must be occurring simultaneously. d. there must be large numbers of free amino acids present in the cytoplasm. e. the nuclear membrane must first dissolve.
The lining of the uterus that is discharged during the menstrual phase is the
A. oviduct. B. myocardium. C. endometrium. D. hymen. E. endocardium.
Answer the following questions true (T) or false (F)
1. Normally, complement-activating immune complexes are eliminated from the body by phagocytosis. 2. Individuals with AB blood type are called "universal donors" because they do not have antibodies against blood group antigens. 3. MHC genes are significant genetic factors in predisposition to develop autoimmune disease.