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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 meiosis, the daughter cells are not similar to that of parent because of
- Carbohydrates ingested in the diet are hydrolyzed by the enzyme
- Which of the following four phases, in the post emergence life of an angiospermic
- Bacterial flagella is made up of
- Heartwood differs from sapwood in:
Topics: Genetics
(204)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- In meiosis, the daughter cells are not similar to that of parent because of
- Carbohydrates ingested in the diet are hydrolyzed by the enzyme
- Which of the following four phases, in the post emergence life of an angiospermic
- Bacterial flagella is made up of
- Heartwood differs from sapwood in:
Topics: Genetics (204)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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