Four of the five conditions listed below are caused
by chromosomal nondisjunction. Select the
exception.
a. Down syndrome
b. Huntington disease
c. Turner syndrome
d. Klinefelter syndrome
e. trisomy 21
Answer: b
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If the low number of hybrid flies in the hybrid zone, relative to the number of D. santomea flies there, is due to the fact that hybrids are poorly adapted to conditions in the hybrid zone, and if fewer hybrid flies are produced with the passage of time,
these conditions will most likely lead to _____. A) fusion B) reinforcement C) stability D) further speciation events
The process of glucose synthesis is called
A) glycolysis. B) gluconeogenesis. C) aglycolysis. D) glucogenesis. E) both choices B and C
Before biopharming technology became available, human proteins used in treatment of diseases were _____
a. unavailable b. synthesized chemically c. free of contaminating factors d. harvested from slaughterhouses, donated human blood, or cadavers e. harvested from transgenic plants
Which of these characteristics is not found in both land plants and green algae?
1.cellulose in their cell walls 2.produce spores in sporangia 3.store energy captured during photosynthesis as starch 4.light-absorbing pigments include both chlorophyll a and chlorophyll b