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#plant developmental genetics

3 public questions tagged with this topic.

CYCLOIDEA mutation in Antirrhinum causes:

B fits best: Radial symmetry. Keep the PSS-Sec-E-Sensory biology basics straight and Radial symmetry stands out as the precise answer. Avoid: A) Bilateral symmetry; C) Male sterility; D) Female sterility. Light and flowering items often hinge on which photoreceptor or day-length rule is in play.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.

Floral meristem identity genes include:

Pick A: AP1 and LFY. Thinking through ABC MODEL step by step rules out the lookalikes and leaves AP1 and LFY. Skip these: B) AP3 and PI; C) AG and SEP; D) PI and AP2. For hormones and genes, match the molecule or gene to its real role, not a neighboring pathway.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.

Most floral organ identity genes belong to which gene family?

Go with B — MADS-box. Under ABC MODEL, this is the standard explanation you’d use in class: it names the real driver or definition, while the rest are nearby but wrong. Not these: A) Homeobox; C) bZIP; D) MYB. When two options sound similar, choose the one that matches the textbook definition most tightly.

Ref: Best CSIR NET Plant Physiology books: Master Unit 6 with Taiz & Zeiger and Salisbury & Ross. Crack Part C experimental questions with top textbooks.