Respuesta :
The alleles are the traits for the specific attribute of an organism and can be dominant or recessive and are expressed either in purebred or heterozygous forms.
The phenotypic ratio is 9:3:3:1.
What is Punnett square?
The alleles for the traits are:
- The white fur is the dominant = W
- The black fur is the recessive = w
- The long ear is the dominant = L
- The short ear is the recessive = l
The parent for the cross are heterozygous for the trait and will be WwLl.
See the attached image below for the cross.
From the cross the ratios are:
- Phenotype ratio = 9:3:3:1
- Genotype ratio = 1:2:2:4:1:2:1:2:1
Therefore, the phenotypic ratio is 9:3:3:1.
Learn more about dihybrid cross here:
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