★ Must-know
Further detail
Two parental alleles meeting at the same chromosome position
📌 Homozygous and heterozygous describe whether the two alleles for a trait are the same or different, respectively.
Homozygous means same; heterozygous means different
1. What is an allele?
2. How many alleles for a gene does an individual typically inherit, and how are they obtained?
3. An individual has two identical alleles for a particular trait. What term describes this genetic state?
What is an allele in genetics?
A version of a gene at a specific chromosome position.
How many alleles does an individual inherit for each gene?
Two alleles, one from each parent.
What do alleles determine in eye colour inheritance?
Which eye-colour trait an individual obtains.
When is an individual homozygous for a trait?
When the two alleles are the same.
When is an individual heterozygous for a trait?
When the two alleles are different.
What do homozygous and heterozygous describe about alleles?
Whether the two alleles for a trait are the same or different.
The revision sheet covers the essential concepts of Alleles and Inherited Traits. It is organized by topic to facilitate learning and memorization, with key definitions, explanations and summaries.
Read the full sheet →The quiz contains 10 multiple-choice questions with detailed corrections and explanations for each answer. Ideal for testing your knowledge and identifying gaps.
Take the quiz (10 questions) →Revizly offers 16 interactive flashcards on Alleles and Inherited Traits. Each card presents a question on the front and the answer on the back, enabling active and effective revision based on spaced repetition.
See all 16 flashcards →Import your PDF or paste your course, AI generates sheets, quizzes and flashcards in 30 seconds.