Question
Download Solution PDFXY Chromosomes are called
Answer (Detailed Solution Below)
Detailed Solution
Download Solution PDFChromosomes are thread-like structures found in the nucleus of cells that carry genetic information in the form of DNA. Humans have 23 pairs of chromosomes, totaling 46 chromosomes.
Key Points
- XY chromosomes are called sex chromosomes because they play a crucial role in determining the sex of an individual.
- In humans, males have one X and one Y chromosome (XY), while females have two X chromosomes (XX).
- The presence of the Y chromosome leads to male development by triggering the formation of male reproductive structures.
- The inheritance of these chromosomes from parents determines the biological sex of the child.
Thus, it is concluded that XY Chromosomes are called Sex chromosome.
Hint
- Combination chromosomes do not refer to any specific biological concept.
- The Rhesus factor (Rh factor) is a protein found on red blood cells that determines Rh-positive or Rh-negative blood type, unrelated to sex determination.
- Unique chromosomes is not a defined term in genetics.
Last updated on Mar 4, 2025
->MP Mahila Supervisor Answer Key is out on the official website. Candidates are invited to raise objections till 20th April 2025.
-> Earlier, MP Mahila Supervisor Hall Ticket for the written examination was released.
-> Total number of 660 vacancies have been announced for the MP Female Supervisor post.
-> Candidates had applied online from 9/01/2025 to 23/01/2025.
->The salary of the appointed candidates will be in the pay-scale of Rs. 5,200-20,200 with grade pay of Rs. 2400 per month.