polyploid.py

#!/usr/bin/env python

import os
import random

"""
82. A certain plant is found to be an octoploid (8n) with 40 chromosomes, what are the monoploid (m) and haploid (h) numbers? Note: 40/8 = 5 and 40/2 = 20.
A. m=5; h=5
B. m=5; h=20
C. m=20; h=5
D. m=20; h=20
"""

"""
Specific terms are triploid (3 sets), tetraploid (4 sets), pentaploid (5 sets), hexaploid (6 sets), heptaploid[2] or septaploid[3] (7 sets), octoploid (8 sets), nonaploid (9 sets), decaploid (10 sets), undecaploid (11 sets), dodecaploid (12 sets), tridecaploid (13 sets), tetradecaploid (14 sets), etc.[29][30][31][32] Some higher ploidies include hexadecaploid (16 sets), dotriacontaploid (32 sets), and tetrahexacontaploid (64 sets)
"""

if __name__ == '__main__':
	ploidies = [4, 6, 8, 10, 12, 14, 16]
	polyploid_names = {
		3: 'a triploid',
		4: 'a tetraploid',
		5: 'a pentaploid',
		6: 'a hexaploid',
		7: 'a heptaploid',
		8: 'an octaploid',
		9: 'a nonaploid',
		10: 'a decaploid',
		11: 'a undecaploid',
		12: 'a dodecaploid',
		13: 'a tridecaploid',
		14: 'a tetradecaploid',
		15: 'a pentadecaploid',
		16: 'a hexadecaploid',
		17: 'a heptadecaploid',
		18: 'an octadecaploid',
		32: 'a dotriacontaploid',
		64: 'a tetrahexacontaploid'
	}
	monoploid_sizes = [4, 5, 6, 7, 8, 9, 10, 11, ]

	num_genes = 7
	N = 0
	outfile = 'bbq-' + os.path.splitext(os.path.basename(__file__))[0] + '-questions.txt'
	print('writing to file: '+outfile)
	f = open(outfile, 'w')	
	for ploidy in ploidies:
		for monoploid in monoploid_sizes:
			N += 1
			total_chromosomes = monoploid * ploidy
			haploid = total_chromosomes // 2
			if haploid == monoploid:
				continue
			number = "{0}. ".format(N)
			question = ""
			question += "<p>A certain plant is found to be "
			question += polyploid_names[ploidy] + ' '
			question += '({0}n) '.format(ploidy)
			question += "with {0} chromosomes in total.</p>".format(total_chromosomes)
			question += '<h5>What are the monoploid (m) and haploid (h) numbers for this plant?</h5>'
			if random.random() < 0.5:
				question += "<p><i>Note: {0}/{1} = {2} and {0}/2 = {3}</i></p>".format(total_chromosomes, ploidy, monoploid, haploid)
			else:
				question += "<p><i>Note: {0}/2 = {3} and {0}/{1} = {2}</i></p>".format(total_chromosomes, ploidy, monoploid, haploid)

			choices = []
			answer = '<p>monoploid, m = {0} and haploid, h = {1}</p>'.format(monoploid, haploid)
			choices.append(answer)
			wrong = '<p>monoploid, m = {0} and haploid, h = {1}</p>'.format(haploid, monoploid)
			choices.append(wrong)
			wrong = '<p>monoploid, m = {0} and haploid, h = {1}</p>'.format(monoploid, monoploid)
			choices.append(wrong)
			wrong = '<p>monoploid, m = {0} and haploid, h = {1}</p>'.format(haploid, haploid)
			choices.append(wrong)
			wrong = '<p>monoploid, m = {0} and haploid, h = {1}</p>'.format(total_chromosomes, monoploid)
			choices.append(wrong)
			wrong = '<p>monoploid, m = {0} and haploid, h = {1}</p>'.format(total_chromosomes, haploid)
			choices.append(wrong)

			random.shuffle(choices)

			print("{0}. {1}".format(N, question))

			complete_text = "MC\t{0}".format(question)
			for choice in choices:
				print(".."+choice)
				if choice == answer:
					status = "Correct"
				else:
					status = "Incorrect"
				complete_text += "\t{0}\t{1}".format(choice, status)
			f.write(complete_text+'\n')
			print("")
		f.write('\n')
	f.close()