A Peculiar Feature Of The Embryonic Mammalian Circulatory System Is That GMAT Sentence Correction

Question: A peculiar feature of the embryonic mammalian circulatory system is that in the area of the heart the cells adhere to one another, beating in unison and adopting specialized orientations exclusive of one another.

(A) beating in unison and adopting
(B) they beat in unison while adopting
(C) beat in unison, and adopt
(D) beating in unison yet adopting
(E) even though they beat in unison and adopt

“A peculiar feature of the embryonic mammalian circulatory system is that” - is a GMAT sentence correction question. These sorts of GMAT sentence correction questions possess grammatical errors in the underlined portion of the sentence. The candidates have to determine the correct statement by verifying the options. The GMAT sentence correction section is designed to evaluate the candidates’ skills to use proper grammar and to identify misuse of grammar. The candidates need to comprehend lengthy and complex sentences precisely in order to solve the question. GMAT sentence correction is part of GMAT verbal.

Answer: D
Explanation: It is required to detect a valid explanation. The structure of the sentence is: A weird trait of the embryonic mammalian circulatory system is that the cells stick to each other in the area of the heart. The cells beat in unison yet adopt specialised exposures exclusive of one another.

The concepts that need to be demonstrated for the given sentence is:

• Parallelism
• Subject-verb agreement
• Conjunction
• Punctuation
• Meaning

Option A: Incorrect
The statement suggests “beating in unison and adopting specialized orientations….” cannot occur together. The meaning of the sentence conveys that there exists a contradiction. Therefore, the conjunction “and” is used wrongly in the sentence.
Therefore, the option is incorrect as it does not support the meaning of the sentence.

Option B: Incorrect
The statement cites “they beat in unison while adopting…” does not represent the opposite of both cases. Therefore, the conjunction “while” is used incorrectly in the sentence which alter the meaning of the sentence. Moreover, the comma in the
non-underlined sentence forms a grammatical error between the two cases. Thus, the statement in option B gets eliminated.

Option C: Incorrect
The statement in option C states “beat in unison, and adopt” which depicts the incorrect parallelism. The three actions cited in the original statement- adhere to one another, beat in unison and adopt specialized orientations seem to maintain a parallel order. This alters the meaning of the statement since the latter two activities describe the way the cells adhere to one another. This statement also triggers the contrasting effect of the statement. Therefore, option C get eliminated.

Option D: Correct
This option suggests the correct statement “...cells adhere to one another, beating in unison yet adopting specialized orientations…”. It conveys the expected contrast in a correct way and also it modifies the preceding clause. Therefore, the statement in option D is correct since it satisfies the meaning of the sentence.

Option E: Incorrect
The statement in this option E states that “even though they beat in unison and adopt” does not support the meaning of the sentence. The conjunction “and” is used that relate both activities with each oter. The statement thereby misses the contrast and therefore, it gets eliminated.

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