A breeder has observed variations in coat colour and pattern in the guinea pigs she has...

70.2K

Verified Solution

Question

Biology

A breeder has observed variations in coat colour and pattern inthe guinea pigs she has bred over the years. Black coat colour (B)is dominant over red coat colour (b), and white spotted pattern (s)is recessive to solid pattern (S).
a. What progeny will be produced from mating a male that isheterozygous black, and heterozygous solid with a red, homozygoussolid female? Show the genotypes, phenotypes, and the phenotypicratio
b. A third trait for coat type, where curly coat (C) is dominantover straight coat (c) is introduced. What offspring are expectedfrom mating a female guinea pig (BBSsCc) with a male guinea pig(bbssCc)? Show genotypes, genotypic ratio, phenotypes, andphenotypic ratio. How many individuals are homozygous for curlycoat?

Answer & Explanation Solved by verified expert

4.3 Ratings (696 Votes)

a The black coat colour B is dominant over red coat colourb and white spotted pattern s is recessive to solid patternS Now when male with heterozygous black and heterozygous solidBbSs is mated with red homozygous solid female bbSS then theresult of the cross is given belowParents BbSs male bbSS femalegametes BS bS Bs bs bS See Answer

Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:

Unlimited Question Access with detailed Answers
Zin AI - 3 Million Words
10 Dall-E 3 Images
20 Plot Generations
Conversation with Dialogue Memory
No Ads, Ever!
Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!

Become a Member