A monohybrid cross is made for flower color, where purple is dominant to white. Fifteen hundred F2 offspring are analyzed. How many white flowers are expected?
What will be an ideal response?
One-quarter of the offspring should be homozygous recessive, thus: (0.25 ) × 1,500 = 375 white flowers.
Biology & Microbiology
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Phycobilins are
(a) photosynthetic pigments. (b) found in the red algae. (c) blue and red pigments. (d) all of the above.
Biology & Microbiology
The exotoxin produced by C. tetani is
A. tetanoxin. B. exotetanus. C. tetanospasmin. D. endospasmin.
Biology & Microbiology
What is the main food source for walruses?
a. Molluscs and echinoderms b. Penguins c. Seagrass d. Fish and worms
Biology & Microbiology
According to Charles Darwin, “HOMOLOGOUS” structures are anatomically because:
a. They serve the same functions b. They are inherited from a common ancestor c. They are inherited from different ancestors d. Both a and b
Biology & Microbiology