Inclusions in kit - Dihybrid cross in interchromosomal recombination

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Coffret de 8 lames
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Data sheet Inclusions in kit - Dihybrid cross in interchromosomal recombination

Description

Presentation:This series presents in an elegant storage box 8 slides to observe:- 1 parents slide,- 1 direct F1 slide,- 6 test slides carrying a total of about 300 individuals fully respecting the natural distribution; the kit is accompanied by illustrated instructions, size: 21 x 29.7 cm Objectives:Observe with the binocular magnifier the sorted population (but not counted!), develop models, study the chromosome segregation, the distribution of genes. From these results, define the type of hereditary law which meets the strain studied.

Specifications

Mutations étudiées : Ailes vestigiales et corps ébène.
1 lame Parents : Homozygotes sauvages P1 ailes longues et corps clair, homozygotes mutés P2 ailes vestigiales et corps ébène.
1 lame F1 (P1 x P2) : Phénotype ailes longues et corps clair (sauvage).
6 lames test F2 obtenues en back cross : (F1 x P2, souche parentale mutée) : On observe environ 25 % phénotype sauvage, 25 % phénotype muté, 25 % nouveau phénotype associant aile longue et corps ébène, 25 % nouveau phénotype associant aile vestigiale et corps clair.

Réflexion : Explication de la dissociation des gènes parentaux et de leur nouvelle recombinaison chez les descendants.
Theme: human histology Genetics
Type of inclusion Slide
Type of crosses Interspecific dihybrid crosses

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