Criado por J yadonknow
quase 7 anos atrás
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Questão | Responda |
What is the chromosome theory of inheritance? | Chromosome behaviour in mitosis/meiosis correlates with gene behaviour Chromosomes carry many gene-linkages |
Draw Drosophila melanogaster chromosomes in mitosis | Female/Male |
Who did groundbreaking work on white eyed flies and what did he discover? | Thomas Hunt Morgan Discovered sex linkages and confirmed the chromosome theory of inheritance |
Outline his cross-breeding work | Whole shit load of back crossing and crosses here |
What was his final proof? (3) | Examined flies that had extra Y chromosomes XXY females are fertile and can transmit a y chromosome to their offspring w1/Y males crossed to XXY females can generate w1/Y males |
What is recombination? | Exchange of genetic information between homologous chromosomes or sister chromatids, resulting in the formation of a hybrid chromosome |
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