9. Polyploidy in plants(A) is very common.(B) allows for adaptation to diverse environments.(C) may alter the levels of gene expression.(D) allows humans to create plants with unusual flowers.(E) All of these statements are true regarding polyploidy in plants.

9. Polyploidy in plants
(A) is very common.
(B) allows for adaptation to diverse environments.
(C) may alter the levels of gene expression.
(D) allows humans to create plants with unusual flowers.

(E) All of these statements are true regarding polyploidy in plants.

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統計： A(0), B(0), C(0), D(0), E(1) #3367650

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B1 · 2025/10/02

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1. 題目解析題目中提到的多倍體性（p...

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47. It is well established that developmental biology has impacts on public health. For instance, thalidomide, an anticonvulsive and antiallergic medication, was prescribed to reduce nausea or morning sickness in pregnant women. It was subsequently shown to cause severely deformed limbs (hands and feet, but reduced arms and legs) in children whose mothers took the medication. What might thalidomide do during development?(A) Cause a defect in the fertilization of an egg.(B) Severely alter blastulation in the embryo.(C) Impair neural tube formation.(D) Impair morphogenic fields within the embryo.(E) Block cell division during blastulation.

9. Polyploidy in plants
(A) is very common.
(B) allows for adaptation to diverse environments.
(C) may alter the levels of gene expression.
(D) allows humans to create plants with unusual flowers.

(E) All of these statements are true regarding polyploidy in plants.

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