Quiz 5-due Ma × IG- ocompi._ domin a https://psu.instructure.com/courses/1930510
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Quiz 5-due Ma × IG- ocompi._ domin a https://psu.instructure.com/courses/1930510/quizzes/3418269 0.5/1.5 pts Partial Question 5 Choose all of the inheritance patterns that would give you a genotype ratio of 121 if you crossed two heterozygous individuals Complete Isimple) dominance Incomplete dominance IncrmectQuestion 6 0/1.5 pts Choose all of the correct statements about heterosis (hybrid vigor 3 The parenits are genetically dissimilar to eachother D The offspring are better at surviving and repruducing thon their parents E tt occurs in plantsi but not anims 3 The offspring are considared a form of GMbeneticaly medfied onsanism indiiduah Question 7 0/1.3 ptsExplanation / Answer
5.. incomplete dominance
1:2:1 is a typical ratio of 1 homozygous dominant: 2 heterozygous intermediate: 1 homozygous recessive. it is different from 3:1 ration where 3 are dominant (1 homozygous dominant and two heterozygous) and 1 recessive which is example of complete dominant. one allele is completely dominant over other allele. hence it is also expressed in heterozygous conditions. whereas in incomplete dominance the heterozygous is produced between crossing of dominant and recessive allele.hete 3 types of phenotype will be observed.
6. the parents are genetically dissimilar to each other.
the offspring are better at surving and reproducing than their parents
the offspring considerd as a GMO mediated organism
the hybrid offspring of two parents are best in heteresis. it is beneficial in crossing between genetically different parents, hence we can select best characters from both the parents and create the increased hybrid offspring. the offspring are from two genetically non distict parent (eg. BT egg plant). hence it is termed as genetically modified organism which has better survaving capabiliy and reproducibility compared to their parents.
it occures in plant not animals. this option is partially correct because heteresis is motly occured in plant but the MHC class1 and calss2 are the examples of heteresis in animal. however true heteresis is not possible in animals (we can not cross two differnet animals as like dog and cat, dog and human).
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