Topic 7.2.23 min read
7.2.2 Genotype and Phenotype
I) Genotype The genetic makeup of a trait at each locus is called the genotype. A genotype usually consists of a pair of genes or alleles. Examples: · Free earlobes: EE or Ee · Attached earlobes: ee Homozygous: · If the genotype has two identical alleles (like EE or ee), it is calle
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7.2.2 Genotype and Phenotype
What is it?
I) Genotype The genetic makeup of a trait at each locus is called the genotype. A genotype usually consists of a pair of genes or alleles. Examples: - Free earlobes: EE or Ee - Attached earlobes: ee Homozygous: - If the genotype has two identical alleles (like EE or ee), it is calle
In simple words
7.2.2 Genotype and Phenotype is a core idea in this chapter. Learn the meaning first, then the main parts, then one clear example.
Recommended for Class 10
Full school-level explanation
I) Genotype The genetic makeup of a trait at each locus is called the genotype. A genotype usually consists of a pair of genes or alleles. Examples: - Free earlobes: EE or Ee - Attached earlobes: ee Homozygous: - If the genotype has two identical alleles (like EE or ee), it is calle
Why it matters
Understanding 7.2.2 Genotype and Phenotype helps you answer definition, explanation, and application questions in this chapter.
Deeper understanding
Go deeper on 7.2.2 Genotype and Phenotype: connect the definition to reasons, relationships, exceptions, and exam wording.
Exam focus
Key Point 1
Key Point 2
Key Point 3
Key Point 4
Exam focus
Quick revision
- #### I) Genotype The genetic makeup of a trait at each locus is called the genotype. A genotype usually consists of
For long answers on 7.2.2 Genotype and Phenotype: define clearly → explain the main parts → give one example → state one exam caution.
Exam Focus
Exam Focus
Important points
- #### I) Genotype The genetic makeup of a trait at each locus is called the genotype. A genotype usually consists of
Common exam traps
- Do not write about 7.2.2 Genotype and Phenotype without a clear definition.
- Do not mix this idea with a neighbouring chapter concept.
Long question structure
Definition → key parts → example → exam caution
Common Mistakes
Common Mistakes
- Mistake
Do not write about 7.2.2 Genotype and Phenotype without a clear definition.
- Mistake
Do not mix this idea with a neighbouring chapter concept.
- Mistake
Do not list facts without showing how they connect.
Revision Zone
60-Second Revision
Quick cues from this topic — use them for last-minute revision.
#### I) Genotype The genetic makeup of a trait at each locus is called the genotype. A genotype usually consists of
#### I) Genotype The genetic makeup of a trait at each locus is called the genotype. A genotype usually consists of a pair of genes or alleles. *Examples:
- Definition
- #### I) Genotype The genetic makeup of a trait at each locus is called the genotype. A genotype usually consists of a pair of genes or alleles. *Examples:
- Critical warning
- Do not write about 7.2.2 Genotype and Phenotype without a clear definition.
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Exam Practice
Define
Q1. Define 7.2.2 Genotype and Phenotype.
Explain
Q2. Explain the main ideas in 7.2.2 Genotype and Phenotype.
Example
Q3. Give one clear example of 7.2.2 Genotype and Phenotype and say why it fits.
Mistake
Q4. State one common mistake students make about 7.2.2 Genotype and Phenotype.
Exam note
Q5. Write a short exam note on 7.2.2 Genotype and Phenotype: definition, two points, one example.
Sources & References
School-standard facts for Matric and Intermediate. Original explanations — not copied from textbooks.