Feather color in chickens is the result of an incompletely dominant gene. The gene responsible for black feathers (B) when homozygous results in a muted color called "Andalusian blue" if combined with an allele for white feathers (b). When the white allele occurs in homozygous conditions, a white phenotype results. A gene affecting comb shape (R), which results in a comb called a "rose" comb, is completely dominant over (r), which in homozygous conditions results in a comb called "single." A mating between a black single rooster and white rose hen results in a number of chicks, all of which have identical phenotypes.
-Use a Punnett square to demonstrate a cross between two of the F1 offspring.What are the phenotypes and ratios that occur?
Correct Answer:
Verified
View Answer
Unlock this answer now
Get Access to more Verified Answers free of charge
Q23: For a gene with multiple alleles,what is
Q24: How could a man with blood type
Q25: In a dihybrid cross with independent assortment
Q26: In the human ABO blood system,the allele
Q27: Explain and differentiate among the molecular bases
Q29: Phenylketonuria (PKU)is an example of a phenotype
Q30: Recessive lethals are often mutations in essential
Q31: What is the number of possible genotypes
Q32: In a genotype with complete penetrance,less than
Q33: Generally,blue eyes are recessive to dark brown
Unlock this Answer For Free Now!
View this answer and more for free by performing one of the following actions
Scan the QR code to install the App and get 2 free unlocks
Unlock quizzes for free by uploading documents