Select the statement(s) that are true about dihybrid crosses and the Punnett square pictured.
A dihybrid cross involved two sets of alleles for two sets of traits.
The F1 generation is heterozygous for both traits.
The F1 generation is homozygous dominant for both traits.
A dihybrid cross involved one set of alleles for two sets of traits.
Select the statement(s) that are true about dihybrid crosses and the Punnett square pictured. A dihybrid cross involved two sets of alleles for two sets of traits. The F1 generation is heterozygous for both traits. The F1 generation is homozygous dominant for both traits. A dihybrid cross involved one set of alleles for two sets of traits
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The true statements about dihybrid crosses and the Punnett square are:
1. A dihybrid cross involved two sets of alleles for two sets of traits.
2. The F1 generation is heterozygous for both traits.
### Explanation:
– A dihybrid cross examines the inheritance patterns of two different traits, which means it involves alleles from two separate genes.
– The F1 generation is produced from two parental generations, often resulting in offspring that are heterozygous (having different alleles for each trait) if the parents are homozygous for the respective traits.
The other statements are not true because:
– The F1 generation is not homozygous dominant for both traits if it is a typical dihybrid cross involving heterozygous parents.
– A dihybrid cross specifically involves two sets of alleles, not just one.
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