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XX/O Type of Sex Determination MCQ - Practice Questions with Answers
Edited By admin | Updated on Sep 18, 2023 18:34 AM | #NEET
Quick Facts
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Sex Determination: XX Female & XO Male Type is considered one of the most asked concept.
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10 Questions around this concept.
Solve by difficulty
EASYXO type of sex determination can be found in:
Which one of the following conditions correctly describes the manner of determining the sex in the given example?
Concepts Covered - 1
Sex Determination: XX Female & XO Male Type
- Mc Clung and Wilson (1903) described this type of sex mechanism in insects especially in grasshopper.
- In male there is no mate for X chromosome, hence the name XO is given, there is no Y chromosome.
- The females have two sex chromosomes, XX.
- Females are homogametic while males are heterogametic.
- Males produce sperm of two types, 50% with X chromosome and 50% without X.
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