Mutation
Crossing over
Fertilization
Independent assortment
Mutation, a change in DNA, is the ultimate source of new alleles or new genetic variation in any population. An individual that has a mutated gene might have a different trait than other individuals in the population.
- DNA is a dynamic and adaptable molecule. As such, the nucleotide sequences found within it are subject to change as the result of a phenomenon called mutation.
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Related MCQs
- Which of the following is not a electromagnetic wave?
- Sound waves
- Radio waves
- Light waves
- None of these
Submitted by: CSS Exam Desk Team
- When was the state of Swat included in Pakistan? (CSS 2009 Pakistan Affairs Paper)
- 4th April 1969
- 28th July 1969
- 29th June 1970
- None of these
Submitted by: CSS Exam Desk Team
- Greenhouse gases absorb the? (CSS 2020 General Science & Ability Paper)
- Infrared radiation
- Ultraviolet radiation
- Visible radiation
- None of these
Submitted by: CSS Exam Desk Team
- Jizya was imposed in the islamic state by the Holy prophet (صلی اللہ علیہ وسلم) of Islam in the year of hijra? (CSS 2023 Islamic Studies Paper)
- 5th
- 7th
- 8th
- 11th
Submitted by: CSS Exam Desk Team
- The efficiency of a machine is? (CSS 2012 General Science & Ability Paper)
- Always 100%
- Always less than 100%
- Always greater than 100%
- None of these options
Submitted by: CSS Exam Desk Team
- Planets between earth and sun are? (CSS 2020 General Science & Ability Paper)
- Mercury and Mars
- Venus and Mars
- Mercury and Venus
- None of these
Submitted by: CSS Exam Desk Team
- When was Battle of Khandaq fought? (CSS 2016 Islamic Studies Paper)
- 6 AH
- 5 AH
- 7 AH
- None of these
Submitted by: CSS Exam Desk Team
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- My Memoirs
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- None of these options
Submitted by: CSS Exam Desk Team
- India revoked article 370 on? (CSS 2020 Pakistan Affairs Paper)
- Aug 4, 2019
- Aug 5, 2019
- Aug 6, 2019
- None of these
Submitted by: CSS Exam Desk Team
- The SYNONYM of the word \"ESSAY\" is? (CSS 2010 English Precis & Composition Paper)
- Quit
- Direct
- Compose
- Attempt
Submitted by: CSS Exam Desk Team
- Electricity and Magnetism are? (CSS 2012 General Science & Ability Paper)
- Completely opposite
- Two aspects of same force
- Both of these options
- None of these options
Submitted by: CSS Exam Desk Team
- The SYNONYM of the word \"PRODIGIOUS\" is? (CSS 2014 English Precis & Composition Paper)
- Vain
- Phenomenal
- Discouraging
- Unacceptable
Submitted by: CSS Exam Desk Team
- Which structure is not part of the Endomembrane system? (CSS 2012 General Science & Ability Paper)
- Chloroplast
- Nuclear envelope
- Golgi apparatus
- Plasma membrane
Submitted by: CSS Exam Desk Team
- Book Gold and Guns published in 1945, was banned in 1947 in NWFP (Khyber Pakhtunkhwa) by? (CSS 2016 Pakistan Affairs Paper)
- Dr Khan Sahib
- Abdul Qayyum Khan
- Abdur Rauf Seemab
- Khan Abdul Ghaffar Khan
Submitted by: CSS Exam Desk Team
- Suez canal was nationalized by Egypt on? (CSS 2015 Current Affairs Paper)
- July 26, 1953
- July 26, 1956
- Jul 28, 1955
- None of these
Submitted by: CSS Exam Desk Team
- Ara’ayta ارايتmeans? (CSS 2014 Islamic Studies Paper)
- Denying
- The system
- You See (107:1)
- None of these
Submitted by: CSS Exam Desk Team
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- Al-Baqrah
- Al Imran
- Al-Taubah
- Surah Younus
Submitted by: CSS Exam Desk Team
- Collapse of USSR due to? (CSS 2017 Current Affairs Paper)
- Economic failure
- Perestroika and Glasnost
- Nationalist Movements
- None of these
Submitted by: CSS Exam Desk Team
- What is said to be the unavailability of system thermal energy for conversion Into mechanical work? (CSS 2019 General Science & Ability Paper)
- Thermodynamic
- Entropy
- Negentropy
- None of these
Submitted by: CSS Exam Desk Team
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- Mohsin Hamid
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- None of these options
Submitted by: CSS Exam Desk Team
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- Banu \'Adi
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Submitted by: CSS Exam Desk Team
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- Tourist
- Attendant
- Decorators
- Adversaries
Submitted by: CSS Exam Desk Team
- The name of mosque in which Khutba of Haj (Hajj Sermon) was delivered? (CSS 2019 Islamic Studies Paper)
- Masjid Khaif
- Masji-e-Nimra
- Masjid-e-Haram
- None of These
Submitted by: CSS Exam Desk Team
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- Al-Numan ibn sabit
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- None of these
Submitted by: CSS Exam Desk Team
- The deepest place on earth is? (CSS 2010 General Science & Ability Paper)
- Trench
- Mariana Trench
- Mangrove
- Groove
Submitted by: CSS Exam Desk Team