Question

newborns can contract_____ when they are delivered through the birth canal of a mother infected with this disease. genital herpes aids syphilis rubella question 9 (4 points) carla has brown hair, and her husband also has brown hair. however, carla’s son is born with blond hair. this most likely indicates that carla’s son inherited the dominant genes for blond hair. inherited the recessive genes for blond hair. has a susceptibility gene. has a longevity gene.

Explanation:

First Question (Newborns contracting disease)

Genital herpes can be transmitted to newborns during passage through the infected birth canal. AIDS transmission to newborns is more via placental/blood, syphilis can be transmitted but genital herpes is a common perinatal transmission via birth canal. Rubella is congenital via placenta. So the correct option is genital herpes.

Brown hair is usually dominant, blond is recessive. If both parents have brown (dominant phenotype), they can be carriers of recessive blond alleles. The child with blond hair inherited recessive genes (since dominant brown would show if present). Dominant blond is incorrect (brown is dominant), susceptibility/longevity genes are irrelevant here.

Answer:

A. genital herpes

Second Question (Hair Color Inheritance)