A species of hamster has one gene that affects coat color. There are two alleles
ID: 13889 • Letter: A
Question
A species of hamster has one gene that affects coat color. There are two alleles associated with this gene, a brown allele and a white allele. These alleles are co dominant, so a homozygous brown hamster has a brown coat, a homozygous white hamster has a white coat and a heterozygous brown and white hamster has a agouti coats.Two Hamsters are mated and produce 20 babies, 11 have brown coats and 9 have agouti coats.
What are the two possible parental genotype and phenotype combination that could result in offspring including the phenotypes of those in the F1 Generation, and what are the possible genotypes for each of the phenotypes in the F1Generation.
Please let me know if this needs to be broken up, as this is posed as one question on my worksheet.
Explanation / Answer
What are the two possible parental genotype and phenotype combination that could result in offspring including the phenotypes of those in the F1 Generation, and what are the possible genotypes for each of the phenotypes in the F1Generation.
homozygous brown hamster has a brown coat, ----GENOTYPE-----BB
a homozygous white hamster has a white coat and a----- GENOTYPE ------WW
heterozygous brown and white hamster has a agouti coats.-- GENOTYPE ----BW
What are the two possible parental genotype and phenotype combination that could result in offspring including the phenotypes of those in the F1 Generation, and what are the possible genotypes for each of the phenotypes in the F1Generation.
possible parental genotype and phenotype
phenotype: brown coat, ----GENOTYPE-----BB
phenotype :agouti coats.-- GENOTYPE ----BW
brown coat, ----GENOTYPE-----BB X agouti coats.-- GENOTYPE ----BW
B
B
B
BB
brown coat,
BB
brown coat,
W
BW
agouti coats.
BW
agouti coats
F1 offsprings
BB; brown coat,
BB; brown coat,
BW :agouti coats.
BW :agouti coats.
B
B
B
BB
brown coat,
BB
brown coat,
W
BW
agouti coats.
BW
agouti coats
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