Question:
With respect to a specific genus and its species, a monohybrid cross is a cross between________.
With respect to a specific genus and its species, a monohybrid cross is a cross between________.
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A monohybrid cross studies one character using true breeding parents that show contrasting forms of it.
Updated On: Nov 12, 2026
- two pure parents differing in single pair of contrasting characters.
- any two parents differing in single pair of contrasting characters.
- two pure parents differing in single pair of similar characters.
- a parent and its offspring showing the same genotypes.
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The Correct Option is A
Solution and Explanation
Step 1: Understanding the Concept
A monohybrid cross deals with the inheritance of only one character.
Step 2: Parents used
Both parents must be pure (homozygous) and must differ in one pair of contrasting characters, for example pure tall and pure dwarf pea plants.
Step 3: Compare the options
Impure parents, similar characters, or a parent crossed with its own offspring do not match this definition.
Final Answer:
A monohybrid cross is a cross between two pure parents differing in a single pair of contrasting characters. \[ \boxed{\text{(A) }\text{two pure parents differing in single pair of contrasting characters}} \]
A monohybrid cross deals with the inheritance of only one character.
Step 2: Parents used
Both parents must be pure (homozygous) and must differ in one pair of contrasting characters, for example pure tall and pure dwarf pea plants.
Step 3: Compare the options
Impure parents, similar characters, or a parent crossed with its own offspring do not match this definition.
Final Answer:
A monohybrid cross is a cross between two pure parents differing in a single pair of contrasting characters. \[ \boxed{\text{(A) }\text{two pure parents differing in single pair of contrasting characters}} \]
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