Answer:
SsBB and SsBB
or
SsBB and SsBb
Explanation:
To produce a ratio of offspring where the number of short haired black offspring is three times that of the long haired black offspring. Since, the long haired offspring can only be inherited in the recessive manner in two copies, thus possible genotypes of the parents could be:
SsBB and SsBB
or
SsBB and SsBb
SsBB and SsBB
SB sB
SB SSBB SsBB
sB SsBB ssBB
3/4 short haired black offspring and 1/4 long haired black offspring
SsBB and SsBb
SB Sb sB sb
SB SSBB SSBb SsBB SsBb
sB SsBB SsBb ssBB ssBb
6/8=3/4 short haired black offspring and 2/4=1/4 long haired black offspring
Mendel found evidence that there are two factors for each trait. :)))
Variant
Difference in the DNA sequence between two individuals
Genotyping
An analysis that looks at specific locations in DNA to identify variations
Its B, i had the same test