If the majority of offsprings exhibit a dominant character, then the parents must be:

Options

A. Both hybrids
B. One dominant and one recessive
C. Both recessive
D. Both dominant

Answer

To solve the question, "If the majority of offspring exhibit a dominant character, then the parents must be:", we can follow these steps:

### Step 1: Understand the Genetic Terms
- **Dominant Character**: A trait that is expressed when at least one dominant allele is present.
- **Recessive Character**: A trait that is only expressed when two recessive alleles are present.

### Step 2: Identify Possible Parent Combinations
We need to consider the combinations of parental genotypes:
1. Both parents are homozygous dominant (TT).
2. One parent is homozygous dominant (TT) and the other is homozygous recessive (tt).
3. Both parents are homozygous recessive (tt).
4. Both parents are heterozygous (Tt).

### Step 3: Analyze the Offspring Outcomes
- **TT x tt**: All offspring (F1) will be heterozygous (Tt) and exhibit the dominant trait.
- **Tt x Tt**: The offspring ratio will be 3:1 (3 dominant: 1 recessive).
- **TT x TT**: All offspring will be dominant (TT).
- **tt x tt**: All offspring will be recessive (tt).

### Step 4: Determine the Scenario for Majority Dominant Offspring
If the majority of offspring exhibit a dominant character, we can conclude:
- If both parents are homozygous dominant (TT), all offspring will be dominant.
- If one parent is homozygous dominant (TT) and the other is homozygous recessive (tt), all offspring will be dominant.
- If both parents are heterozygous (Tt), the offspring will show a 3:1 ratio, where the majority will be dominant.

### Conclusion
The scenario that leads to the majority of offspring exhibiting a dominant character is when both parents are hybrids (Tt).

**Final Answer**: The parents must be both hybrids.

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