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Dominance (genetics)


Dominance in genetics is a relationship between alleles of one gene, in which the effect on ... In this case, three combinations of alleles (genotypes) are possible: RR, Rr, and rr. The RR individua...

The genotype Rr is - Answers.com


heterozygous ... The phenotype is a physical manifestation of the genotype, which means that it's what ... What is the phenotype of a plant with an Rr genotype?

Describing Genetic Crosses - Life Sciences Cyberbridge


The combination of alleles carried by an individual is its genotype. ... True- breeding round peas would have two copies of the R allele and a genotype of RR.

Chapter 10 Study Guide Trait Genes Alleles Homozygous ...


pea plant appears purple in color (its phenotype is purple), its genotype ... Again, Mendel crossed a pure breeding round seeded variety (RR) with a pure ...

Why some traits can be dominant and recessive at the same time


Mar 27, 2013 ... Genotype is the genes that we have and phenotype is the trait those genes ... So in terms of our red flower gene, our flower can be RR, Rr or rr.

A pea plant that has round seeds has the genotype Rr. It is crossed ...


Aug 30, 2016 ... The probability that the offspring with have wrinkled seeds is 50%. Since wrinkled seeds is a recessive trait the plant requires two recessive ...

DSU: BIO 328 Genetics - Prolem Set 1 Solutions - John Tiftickjian


Jan 9, 2014 ... What cross would you make to determine if it has genotype RR or Rr? Explain how the results of your cross would enable you to determine the ...

Baby Steps through Punnet Squares


genotype = the genes of an organism; for one specific trait we use two letters to ... if that organism's genotype is homozygous recessive (two little letters, like "rr").

Simple Genetics Practice Problems - Answer Key - The Biology Corner


For each genotype, indicate whether it is heterozygous (HE) or homozygous (HO) ... RR x Rr. What percentage of the offspring will be round? __all, 100%_____ ...

Genetics in Harry Potter's World Lesson 1


Question: Using R (brown hair) and r (red hair) alleles, what possible genotypes of the allele pair are there? Genotype (allele pair). Phenotype (appearance). RR.

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The expected numbers of different genotypes produced by a particular cross. Example: 1 RR, 2 Rr, and 1 rr individuals could result from a cross of two Rr ...

Bio 102 Practice Problems Mendelian Genetics: Beyond Pea Plants


o'clock has the genotype rr. So, this cross is RR × rr. The F1 offspring will therefore all be Rr, all pink. The F2 offspring (cross is Rr × Rr) will be ¼ RR, red; ½ Rr, ...

genetics notes bi - Biology Junction


... rr); Phenotype - the physical feature resulting from a genotype (e.g. tall, short); Homozygous genotype - gene combination involving 2 dominant or 2 recessive ...