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TLS Online TPP Program

#Id: 1869

Intraspecific competition should be more severe than interspecific competition, since resource overlap is greater.

#Unit 10. Ecological Principles #Interspecific competition #Part B Pointers
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TLS Online TPP Program

#Id: 6350

#Unit 8. Inheritance Biology

Barr body- Inactivated X chromosome that appears as a condensed, darkly staining structure in most cells of female placental mammals. 
TLS Online TPP Program

#Id: 6351

#Unit 8. Inheritance Biology

Number of Barr bodies

Differential expression of a gene that depends on the sex of the parent that transmitted the gene.
TLS Online TPP Program

#Id: 6352

#Unit 8. Inheritance Biology

Genetic Maternal Effect 
Determination of the phenotype of an offspring not by its own genotype, but by the nuclear genotype of its mother. 
TLS Online TPP Program

#Id: 6353

#Unit 8. Inheritance Biology
TLS Online TPP Program

#Id: 6354

#Unit 8. Inheritance Biology

Cytoplasmic Inheritance

Present in males and females. 

Usually inherited from one parent, typically the maternal parent.

Reciprocal crosses give different results. 

Exhibit extensive phenotypic variation, even within a single family. 
TLS Online TPP Program

#Id: 6355

#Unit 8. Inheritance Biology

Homoplasmy - All mutated mitochondria

Heteroplasmy - wild type + mutant mitochondria