AIIMS 201826 May
- Exam
- AIIMS
- Year
- 2018
- Date
- 26 May
- Subject
- Botany
- Chapter
- Cell Cycle and Cell Division
AIIMS 2018 · 26 May · Botany · Cell Cycle and Cell Division
Assertion: Bivalents are formed during pachynema. Reason: Bivalent...
Assertion: Bivalents are formed during pachynema.
Reason: Bivalent and tetrad conditions of chromosomes are two different conditions.
Options
- AIf both assertion and reason are true and reason is the correct explanation of assertion.
- BIf both assertion and reason are true but reason is not the correct explanation of assertion.
- CIf assertion is true but reason is false.
- DIf both assertion and reason are false.
Correct answer
C. If assertion is true but reason is false.
Step-by-step solution
Pairing of the homologous chromosomes occurs during pachynema. Each bivalent or tetrad chromosome pair is made up of actually four chromatids, two of each chromosome.