… B or 2B, owing to the difficulty of estimating A (see below). If data are only available for an
outbred population and for a single inbreeding coefficient, B … depression by B (which is called …

… (B) The structure of the X and Y chromosomes of the red campion Silene dioica (10). Region
1 of the Y carries a gene or genes suppressing femaleness, region 2 promotes maleness, …

The effective size of a population, N e , determines the rate of change in the composition of
a population caused by genetic drift, which is the random sampling of genetic variants in a …

Y chromosomes are genetically degenerate, having lost most of the active genes that were
present in their ancestors. The causes of this degeneration have attracted much attention …

… The value of RC, in terms of the parameters a and b defined in the Appendix, is given by: …
for the supergenes of Batesian mimicry (Charlesworth and Charlesworth 1975). It may well be …

… Brian Charlesworth This book represents the first attempt to review the subject of age-structured
populations. The topics discussed include demography and ecological dynamics, the …

… 10 10 b, where b stands for base or base pair as appropriate), the average mutability per
b (from 10 −4 to 10 −11 per b per replication), and the specific mutability of a particular b (which …

… at many linked loci (CHARLESWORTH, MORGAN and CHARLESWORTH 1992). The mean
… standard neutral formulae (KIMURA and OHTA 1969a, b). We suggested that this effect was …

Repetitive DNA sequences form a large portion of the genomes of eukaryotes. The 'selfish
DNA' hypothesis proposes that they are maintained by their ability to replicate within the …

We review some recently published results on sex chromosomes in a diversity of species.
We focus on several fish and some plants whose sex chromosomes appear to be ‘young’, as …