Question

this passage describes the marfan syndrome trait in humans: marfan syndrome is a condition that affects a protein called fibrillin. fibrillin helps support many parts of the human body and also affects growth. humans with marfan syndrome tend to be taller than average and have long limbs, fingers, and toes. they may also have heart problems and other organ issues. in a group of humans, some individuals have marfan syndrome and others do not. in this group, the gene for the marfan syndrome trait has two alleles. the allele for having marfan syndrome (m) is dominant over the allele for not having marfan syndrome (m). this punnett square shows a cross between two humans. punnett square with m, m on top; m, m on left. cells: mm, mm, mm, mm what is the probability that a human produced by this cross will have marfan syndrome? blank %

Explanation:

Step1: Count total outcomes

The Punnett square has 4 cells (MM, MM, Mm, Mm), so total possible genotypes are 4.

Step2: Identify favorable outcomes

Since M is dominant, genotypes MM and Mm both show Marfan syndrome. All 4 cells (MM, MM, Mm, Mm) have at least one M allele, so favorable outcomes = 4.

Step3: Calculate probability

Probability = (Favorable Outcomes / Total Outcomes) × 100% = (4/4) × 100% = 100%.

Answer:

100