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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
- An example of colonial alga is
- Which of the following is not a function of the skeletal system?
- When red blood corpuscles containing both A and B antigens are mixed with your blood
- The genetically-modified (GM) brinjal in India has been developed for:
- A person is exclusively feeding on meat, egg and milk. He is likely to suffer from
Topics: Genetics (204)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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