Respuesta :
A dominant allele is denoted by a capital letter (A versus a). Since eachparent provides one allele, the possible combinations are: AA, Aa, and aa. Offspring whose genotype is either AA or Aa will have the dominant trait expressed phenotypically, while aa individuals express the recessive trait.
Alleles are different forms of a gene. The variant forms are located on the same loci or position. Every locus has two alleles each allele is inherited, from an individual parent.
- Genes show different types of traits based on the presence of a specific allele of a trait.
- The trait which is visibly expressed is said to be dominant.
- A recessive trait is present at gene level but are concealed and is not visible in the physical attribute of the organisms.
- Let the spotting colour coat for recessive trait be ss
- The solid colour coat for the dominant trait be SS
The cross between the two-spotted Holstein cattle can be determined by the Punnett square.
The image for the Punnett square is attached below.
The offspring will all have ss genotype and the phenotype will be spotted coat colour.
Therefore the genotype of the parents and offspring in the cross between two spotted coat cattle will be ss.
To learn more about genes and dominant and recessive traits follow the link given below:
https://brainly.com/question/18831627
