Post UTME Past Questions Agent
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

The process which ensures that the chromosome number for each species of organism remains constant...

Biology
NECO 2000

The process which ensures that the chromosome number for each species of organism remains constant from generation to generation is called

  • A. fission
  • B. fusion
  • C. meiosis
  • D. mitosis
  • E. oogenesis
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Correct Answer: Option C
Explanation

Meiosis ensures that the chromosome number remains constant from generation to generation in sexually reproducing organisms. During meiosis, the chromosome number of a cell is reduced to half, resulting in the formation of gametes (sperm and egg cells) with a haploid number of chromosomes. When these gametes fuse during fertilization, the original chromosome number is restored in the offspring. 

While both mitosis and meiosis contribute to maintaining a constant chromosome number across generations, they do so in different ways. Mitosis ensures that the number of chromosomes remains the same in somatic cells, while meiosis reduces the chromosome number by half in germ cells to prevent doubling of chromosomes during fertilization.  Meiosis ensures that the chromosome number remains constant by reducing it in gametes and then restoring it through fertilization, while mitosis maintains the same chromosome number within individual organisms. 


Report an Error Ask A Question Download App
Post UTME Past Questions Agent
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now

Contributions ({{ comment_count }})

Please wait...

{{ settings.no_comment_msg ? settings.no_comment_msg : 'There are no comments' }}

Quick Questions

Post your Contribution

Please don't post or ask to join a "Group" or "Whatsapp Group" as a comment. It will be deleted. To join or start a group, please click here

{{ quote.posted_by.display_name }}
{{ settings.form_textarea_description }}
 
Post UTME Past Questions Agent
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
Your School's Whatsapp Group - Join Us now
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
WAEC and NECO CBT App for Mobile Devices - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post-UTME Past Questions - Original materials are available here - Download PDF for your school of choice + 1 year SMS alerts
WAEC and NECO CBT Software for Computers and Laptops - Candidates, Schools, Centres, Resellers - 100% Offline -Download Now
Post UTME Past Questions Agent