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# This code is part of the Biopython distribution and governed by its
# license. Please see the LICENSE file that should have been included
# as part of this package.
#
"""Perform two-point crossovers between the genomes of two organisms.
This module performs single-point crossover between two genomes.
SinglePointCrossover:
genome 1 -- A B C*D E F
genome 2 -- a b c*d e f
new genome 1 -- A B C d e f
new genome 2 -- a b c D E F
"""
# standard modules
from .GeneralPoint import TwoCrossover
class SinglePointCrossover(TwoCrossover):
"""Perform point crossover between genomes at some defined rate.
This performs a crossover between two genomes at some defined
frequency. Length of genome is preserved, as the crossover
point is the same for either genome.
"""
def __init__(self, crossover_prob=.1):
"""Initialize to do crossovers at the specified probability.
"""
TwoCrossover.__init__(self, 1, crossover_prob)
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