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TLS Online TPP Program

#Id: 7843

d-mannose and d-talose are epimers and d-glucose and d-mannose are epimers, whereas d-glucose and d-talose are not epimers but merely diastereomers


#Unit 1. Molecules and their Interaction Relevant to Biology #Carbohydrate #Part B Pointers
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TLS Online TPP Program

#Id: 6923

#Unit 8. Inheritance Biology

In an individual heterozygous for a deletion, the normal chromosome loops out during chromosome pairing in prophase I.
TLS Online TPP Program

#Id: 6924

#Unit 8. Inheritance Biology

Deletion includes the centromere, then the chromosome will not segregate in meiosis or mitosis and will usually be lost.
TLS Online TPP Program

#Id: 6925

#Unit 8. Inheritance Biology

Deletions are lethal in the homozygous state because all copies of any essential genes located in the deleted region are missing.
TLS Online TPP Program

#Id: 6926

#Unit 8. Inheritance Biology

Heterozygous condition may produce imbalances in the amounts of gene products similar to those produced by extra gene copies.
TLS Online TPP Program

#Id: 6927

#Unit 8. Inheritance Biology

Pseudodominance - Recessive allele owing to a deletion on the homologous chromosome.
TLS Online TPP Program

#Id: 6928

#Unit 8. Inheritance Biology

Haploinsufficiency - One copy of the gene is missing; a mutant phenotype is produced