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8 - First Mendelian Law.py
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8 - First Mendelian Law.py
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# First Mendelian Law
# This program returns the probability of two randomly selected individuals producing offspring with a dominant allele
# Given a population with an equal number of homozygous dominant individuals, heterozygous individuals, and homozygous recessive individuals
# Circa February 2023
# A program by Tyler Serio
# Python 3.9.6
pop = 0
while pop < 10:
pop += 1
total = pop * 3
dominant = pop / total
dominant2 = (pop - 1) / (total - 1)
hetero = pop / total
hetero2 = (pop - 1) / (total - 1)
recessive = pop / total
recessive2 = (pop - 1) / (total - 1)
# Successful combinations
prob1 = dominant # Dominant + x
prob2 = hetero * ((pop / (total - 1))) # Hetero + Dominant
prob3 = hetero * ((pop - 1) / (total - 1)) * .75 # Hetero + Hetero
prob4 = hetero * (pop / (total - 1)) * .5 # Hetero + Recessive
prob5 = recessive * (pop / (total - 1)) # Recessive + Dominant
prob6 = recessive * (pop / (total - 1)) * .5 # Recessive + Hetero
probability = round(prob1 + prob2 + prob3 + prob4 + prob5 + prob6, 5)
probability = probability * 100
print(f"SCENARIO {str(pop)}:")
print("Homozygous dominant population: " + str(pop))
print("Heterozygous population: " + str(pop))
print("Homozygous recessive population: " + str(pop))
print("Total population: " + str(total))
print("Probability of producing offspring with a dominant allele: " + str(probability) + "%")
print("")