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Biology – Genetics Verified Guide
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Biology – Genetics Verified Guide 1. What is an allele? - Answer: An allele is a specific version of a gene. Each trait is influenced by two alleles. 2. What does it mean for a trait to be recessive? - Answer: A recessive trait only manifests in the phenotype when an organism inherits two...

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  • August 3, 2024
  • 6
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers

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  • biology genetics verified guide

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Biology – Genetics Verified Guide


1. What is an allele?

- Answer: An allele is a specific version of a gene. Each trait is influenced by two alleles.



2. What does it mean for a trait to be recessive?

- Answer: A recessive trait only manifests in the phenotype when an organism inherits two copies of
the recessive allele, as it is masked by a dominant allele.



3. What is a gamete?

- Answer: A gamete is a sex cell, which can be either sperm in males or an egg (ovum) in females.



4. What role does adenine play in genetics?

- Answer: Adenine is one of the four bases found in DNA and specifically pairs with thymine.



5. What are amino acids?

- Answer: Amino acids are the fundamental building blocks of proteins.



6. How is asexual reproduction defined?

- Answer: Asexual reproduction is a process where a single parent produces genetically identical
offspring without the involvement of gametes.



7. What are autosomes?

- Answer: Autosomes are chromosomes that are not involved in determining the sex of an organism.



8. What is a base in the context of DNA?

- Answer: A base is one of four chemical components that constitute the 'rungs' of the DNA ladder:
adenine (A), thymine (T), cytosine (C), and guanine (G).

, 9. What is a base pair?

- Answer: A base pair consists of two bonded bases that make up each rung of the DNA: either A with T
or C with G.



10. What does biodiversity refer to?

- Answer: Biodiversity represents the variety of species present within an ecosystem.



11. What is the definition of a cell?

- Answer: A cell is the basic structural and functional unit of all living organisms.



12. What does cell division involve?

- Answer: Cell division is the process by which a single cell divides to form two or more daughter cells.



13. What are chromosomes?

- Answer: Chromosomes are thread-like structures that carry genes and are located in the nucleus of a
cell.



14. How would you define a characteristic?

- Answer: A characteristic is an inherited feature that distinguishes one organism from another.



15. What is cloning?

- Answer: Cloning is a technique that creates genetically identical individuals.



16. What is cytosine's role in DNA?

- Answer: Cytosine is one of the bases in DNA that pairs specifically with guanine.



17. What is DNA?

- Answer: DNA, or deoxyribonucleic acid, is a molecule located in the nucleus of cells that encodes an
individual's genetic information.

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