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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.
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Topics: Genetics
(204)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Which one of the following statements is wrong in case of Bhopal tragedy ?
- How many kinds of cells are found in islet of Langerhans
- Tendril of Cucurbita & thorns of Bougainvillea are
- Concentration of the urine is controlled by
- The first action spectrum of photosynthesis which was described by Engelmann
Topics: Genetics (204)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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