In this figure, the F1 generation shows mating of resistant bollworms ( ) with susceptible heterozygous ( ) bollworms.
A. Rr; RR
B. Rr; rr
C. RR; rr
D. rr; Rr
E. rr; RR
D. rr; Rr
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The most common syndrome resulting from nondisjunction is:
A. Turner syndrome. B. Klinefelter syndrome. C. emphysema. D. Down syndrome. E. None of the answer options is correct; the most common syndrome is not listed.
Secondary growth occurs as a result of the activity of which two lateral meristems?
a. vascular cambium and cork cambium b. apical meristem and cork cambium c. primary meristem and secondary meristem d. periderm and cork cambium e. apical meristem and vascular cambium
A news article discussing the evolution of domestic dogs from wolves included this statement: "On its way from pack-hunting carnivore to fireside companion, dogs learned to love—or at least live on—wheat, rice, barley, corn, and potatoes." What is a
more scientifically accurate way to state what happened with dogs? A) Dogs' DNA mutated so that they could eat wheat, rice, barley, corn, and potatoes. B) Some wolves may have had variants in their digestion that allowed them to eat wheat, rice, barley, corn, and potatoes and so were able to survive with humans. C) Being around humans represented an advantage, so wolves were able to take advantage of that by changing their digestion to be able to eat wheat, rice, barley, corn, and potatoes. D) Dogs were created at the same time as wolves.
Describe how oral antibiotics can result in the harmful alterations in the microbiota.
What will be an ideal response?