Which of the following characteristics is NOT | vedclass

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(A) The cockroach $(Periplaneta 	ext{ } americana)$ belongs to the phylum $Arthropoda$.Key characteristics of arthropods include a chitinous exoskele

Vedclass · Accepted Answer

Indeterminate and radial cleavage during embryonic development

Vedclass · Answer

(A) The cockroach $(Periplaneta 	ext{ } americana)$ belongs to the phylum $Arthropoda$.Key characteristics of arthropods include a chitinous exoskeleton made of $N$-acetylglucosamine, a metamerically segmented body, and a haemocoel (blood-filled body cavity).However, indeterminate and radial cleavage are characteristic features of deuterostomes (like echinoderms and chordates).Cockroaches, being protostomes, exhibit determinate and spiral cleavage during embryonic development.Therefore, the correct answer is $A$.

Which of the following characteristics is $NOT$ found in the cockroach $(Periplaneta \text{ } americana)$?

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