File: Point.py

package info (click to toggle)
python-biopython 1.64%2Bdfsg-5
  • links: PTS, VCS
  • area: main
  • in suites: jessie, jessie-kfreebsd
  • size: 44,416 kB
  • ctags: 12,472
  • sloc: python: 153,759; xml: 67,286; ansic: 9,003; sql: 1,488; makefile: 144; sh: 59
file content (32 lines) | stat: -rw-r--r-- 988 bytes parent folder | download
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
# 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)