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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: - Persons who are colour blind can not distinguish?
- Which one of the following is the most widely accepted method of contraception
- The formation of a gametophyte directly from the vegetative
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Topics: Genetics
(204)
Subject: Biology
(4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
- Persons who are colour blind can not distinguish?
- Which one of the following is the most widely accepted method of contraception
- The formation of a gametophyte directly from the vegetative
- During the transmission of nerve impulse through a nerve fibre
- Flavr savr variety of Tomato is
Topics: Genetics (204)
Subject: Biology (4253)
Important MCQs Based on Medical Entrance Examinations To Improve Your NEET Score
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