Which of the following could be its genotype if an offspring is said - ProProfs Discuss
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Which of the following could be its genotype if an offspring is said to be homozygous recessive?



A. RrSs
B. Tt
C. TTss
D. Ss

This question is part of Genetics Practice Test
Asked by Kcassidy, Last updated: Jul 10, 2020

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5 Answers

John Adney

John Adney

Answered Mar 22, 2017

It should be ss, homozygous is the same and recessive is a lowercase allele
 

girvinm

Girvinm

Answered Dec 21, 2016

Let's go through a short vocabulary lesson about Mendelian Genetics
Homozygous-same
Heterozygous-different
Genotype- Genes being expressed ( letters)
Recesssive- A trait that can be masked by another ( lowercase letters)
Allele- an alternate form of a gene
Numbers 1&3 Do not follow the rules of incomplete RRXWW ( Two dominant alleles no ressive, blended) nor complete dominance ex. GGxgg
2&4 are heterozygous Tt

The question needs to be reevaluated.
Thank you
AP Biology
 

John Adney

I agree with the other posts. Homozygous recessive should be represented by two of the same lower case letters.
 

josephinehu

This is heterozygous dominant, not homozygous recessive. Homozygous recessive is ss
 

dishanatalia

How is this homozygous recessive, I find it to be heterozygous due to it having 2 alleles but one dominating throughout since it capital where as homozygous means the same and recessive means lower case
 

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