問題詳情
33. Which statement represents the best explanation for the observation that the nuclear DNA of wolves and domestic dogshas a very high degree of homology?
(A) Dogs and wolves have very similar morphologies.
(B) Dogs and wolves belong to the same order.
(C) Dogs and wolves are both members of the order Carnivora.
(D) Dogs and wolves shared a common ancestor very recently.
(E) Convergent evolution has occurred.
(A) Dogs and wolves have very similar morphologies.
(B) Dogs and wolves belong to the same order.
(C) Dogs and wolves are both members of the order Carnivora.
(D) Dogs and wolves shared a common ancestor very recently.
(E) Convergent evolution has occurred.
參考答案
答案:D
難度:適中0.529412
統計:A(1),B(5),C(0),D(9),E(0)
內容推薦
- Trace elements are those required by organisms in only minute quantities. Which of the following
- The largest unit within which gene flow can readily occur is a(A) population. (B) species. (C) g
- What would be the most effective method of reducing the incidence of blood flukes in a human pop
- Which of these should decline in hybrid zones where reinforcement is occurring?(A) gene flow bet
- The main source of energy for producers in an ecosystem is(A) light energy. (B) kinetic energy.
- Which structure is NOT part of the endomembrane system?(A) nuclear envelope (B) chloroplast (C)
- The distinction between sponges and other animal phyla is based mainly on the absence versus the
- In species interaction, which one is the correct description of allelopathy?(A) Amensalism(B) Th
- Which one of the following, if present in a urine sample, would likely be caused by trauma?(A) a
- When a cell releases a signal molecule into the environment and a number of cells in the immedia
內容推薦
- We tend to think of plants as immobile when, in fact, they can move in many ways. All of the fol
- In the cross Aa Bb CC Dd Ee × Aa Bb Cc Dd EE, in which all genes undergo independent assortment,
- In gymnosperms and angiosperms, which one is the correct description?(A) All gymnosperms are win
- Isolated populations will lose a percentage of their original diversity over time, approximately
- Ⅱ.【單選題】51-75 題,每題 2 分,共計 50 分。答錯 1 題倒扣 0.5 分,倒扣至本大題零分為止,未作答,不給分亦不扣分。Which of the following state
- The recessive allele that causes phenylketonuria (PKU) is harmful, except when an infant's
- Which of the following is NOT true about estuaries?(A) Estuaries are often bordered by mudflats
- In present populations of Taiwan Hwa-Mei (Leucodioptron taewanum) in Taiwan, genetic diversity h
- Bagworm moth caterpillars feed on evergreens and carry a silken case or bag around with them in
- The effect of 5-Azacytosine on gene expression is to(A) prevent chromatin remodeling. (B) preven
- The Morakot typhoon inflicted catastrophic damages on rivers and wiped out entire population of
- Hypothetical mutation in a squirrel population produces organisms with eight legs rather than fo
- 2夏休みの宿題は大方終わらせたので、安心できる。(A)おおかた (B)たいがい (C)たいほう (D)おおがた
- Influenza virus has pH-sensitive, acidic fusogenic proteins. Based on this, influenza virus woul
- Carrying capacity is(A) seldom reached by marine producers and consumers because of the vast res
- Which of the following mating systems does the Pheasant-tailed Jacana (Hydrophasianus chirurgus)
- Species that are not closely related and that do not share many anatomical similarities can stil
- 3私は先生のあとについていき、学校の門を潜った。(A)もぐった (B)すべった (C)しずんだ (D)くぐった
- Which of the following statements best compares a pseudocoelom and a coelom?(A) A pseudocoelom i
- The emergence of 14 species of Galápagos finches from a common ancestor that finds itself in a n
- When Thomas Hunt Morgan crossed his red-eyed F1 generation flies to each other, the F2 generatio
- Animal communication involves what type of sensory information?(A) visual (B) auditory (C) chemi
- 4)4夜にふと目が覚めた時、弟の寝息が聞こえた。(A)しんそく (B)ねいき (C)ねそく (D)いびき穴埋め問題
- A partial diploid E. coli with which of the following genotypes would turn blue on the plate con
- The life history strategy of an k-selected species is to(A) take advantage of human activity, su