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#Chromosome disorders

2 public questions tagged with this topic.

BOTANY

Which chromosomal disorder is caused by trisomy of chromosome 13?

Patau syndrome is caused by trisomy of chromosome 13, leading to severe developmental abnormalities. This follows from latest NCERT 2026-27 principle explaining the concept clearly for NEET students in simple steps as per rationalized syllabus.

Ref: NCERT Biology Textbook - Latest Edition for Academic Session 2026-27 (Botany section, Rationalized Textbook for Class XI and XII), Chapter: Biology - Botany portion (Latest NCERT Textbooks for Academic Session 2026-27 -

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BOTANY

Which genetic condition is caused by the deletion of a portion of chromosome 5?

Cri-du-chat syndrome is caused by a deletion in the short arm of chromosome 5, leading to developmental abnormalities. This follows from NCERT principle where relation explains outcome clearly for students.

Ref: NCERT Biology Textbook for Class XI and XII (Botany section), Chapter: Biology - Botany portion covering relevant concept, Topic: Plant structure, physiology and applications.

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