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Which one of the following conditions correctly discribes the manner of determining the sex in the given example?
Options
(a) Homozygous sex chromosomes (ZZ) determine female sex in birds
(b) XO type of sex chromosomes determine male sex in grasshopper
(c) XO conditions in human as found in Turner syndrome, determines female sex
(d) Homozygous sex chromosomes (XX) produce male in Drosphila
Correct Answer:
XO type of sex chromosomes determine male sex in grasshopper
Explanation:
In grasshopper the males lack a Y-sex chromosome and have only an X-chromosome. They produce sperm cells that contain either an X chromosome or no sex chromosome , which is designated as O.
Related Questions: - In which of the following all three are macronutrients
- Cytokinins stimulate the cell for
- The nerve transmitter, produced at the synapse and neromuscular junction, is
- Which one of the following is wrongly matched about root veg?
- Substrate for alcohol formation is
Topics: Genetics
(204)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In which of the following all three are macronutrients
- Cytokinins stimulate the cell for
- The nerve transmitter, produced at the synapse and neromuscular junction, is
- Which one of the following is wrongly matched about root veg?
- Substrate for alcohol formation is
Topics: Genetics (204)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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