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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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9 Questions around this concept.
Solve by difficulty
Which one of the following conditions correctly describes the manner of determining the sex in the given example?
XO type of sex determination can be found in:
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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