Biology is usually the first science high school students are taught because it has less of a focus on math than other science subjects, so freshman have time to develop their math skills before moving on to more math-focused sciences.
HIV can be transmitted from an HIV-positive woman to her child either during pregnancy, or during labour and delivery, or by breastfeeding.In Europe and the USA, about 15 to 20% of babies born to HIV-positive women who are not taking anti-HIV drugs are infected.IV can be transmitted from an HIV-positive woman to her child either during pregnancy, or during labour and delivery, or by breastfeeding.
The baby will have either type A or type B blood.   If the mother is +\\- for the Rh allele, the baby could be positive or negative. If she is ++, then the baby can only bâ¦e positive (positive is dominant). My husband and I are both positive, but our baby is negative, so we must both be +\\-.