LEVEL 3
Q4
Si una madre de ojos marrones y un padre de
ojos azules tienen cuatro hijos, es posible que
tres tengan ojos marrones. ¿Qué se puede
concluir?
A.
ABC
Los ojos marrones son un rasgo exitoso
B. Los ojos marrones son un rasgo sumiso.
Los ojos marrones son un rasgo
recesivo
C.
D.
Los ojos marrones son un rasgo
dominante

Recessive trait: In this scenario, if a mother with brown eyes and a father with blue eyes have four children, with three having brown eyes, it indicates that brown eyes are a recessive trait. This means that the brown eye color gene is expressed only when an individual has two copies of the brown allele.

Genetic inheritance: The presence of three children with brown eyes suggests that the parents carry both brown and blue alleles, with the brown allele being recessive. Brown eyes being shown predominantly in the offspring supports the idea that the gene for brown eyes is recessive to the gene for blue eyes.

Mendelian genetics: This situation aligns with Mendelian genetics, where the expression of traits follows specific patterns of dominance and recessiveness. Understanding these genetic concepts helps in predicting the likelihood of certain traits appearing in offspring based on parental genotypes.

Learn more about Genetics here:

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