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iren2701 [21]
3 years ago
14

20 POINTS - MONOHYBRID CROSS

Biology
2 answers:
Brrunno [24]3 years ago
8 0
Eye color
Father has brown eyes and is heterozygous (Bb).
Mother has Brown eyes and is heterozygous (Bb).
Check the attached doc for the punnet square;
Resulting offspring;
Genotype Ratio;  1 BB to 2Bb to 1 bb
Phenotype Ratio; 3 Brown eyes to 1 blue Eyes
Therefore; The chance of this couple having a child with blue eyes will be;
 = 1/4 or a 25% chance
Download docx
LiRa [457]3 years ago
6 0

Answer:

25%

Explanation:

if the parents are both heterozygous then you emidiatly have to know 75%  or 25% and since both parents have brown eyes than the possibility of the child having blue eyes is 25%

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