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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: - Translocation of carbohydrates occur as
- The golden age of reptiles was
- Senescence as an active developmental cellular process in the growth and functioning
- High value of BOD(Biochemical OxygenDemand) indicates that :
- Due to plasmolysis, the plant cell
Topics: Genetics
(204)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Translocation of carbohydrates occur as
- The golden age of reptiles was
- Senescence as an active developmental cellular process in the growth and functioning
- High value of BOD(Biochemical OxygenDemand) indicates that :
- Due to plasmolysis, the plant cell
Topics: Genetics (204)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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