Answer: 75% probability that the child will not be a carrier.
Explanation: The Tay-Sachs disease is caused by mutation of the HEXA gene.
Tay–Sachs disease is an autosomal recessive genetic disorder, meaning that when both parents are carriers, there is a 25% risk of giving birth to an affected child with each pregnancy. A mutated copy of the gene is passed from each parent to the affected child. The causes are Genetic.
AHA funcionan en la superficie de la piel y son solubles en agua. Funcionan mejor en pieles normales a secas
BHA funcionan en la superficie de la piel y dentro de los poros, es soluble en aceite. Funcionan mejor en piel pieles normales a grasas
There is not much oxygen available at such a high altitude. For this reason, oxygen tanks would be necessary for both staff and patients, as both would need to remain at a stable oxygen level in order to survive.
Answer: General defence system: acts against all pathogens.
2. Specific defence system: attacks particular pathogens.
1. Examples of the general defence system.
Skin: provides a barrier to infection.
Clotting: when skin is broken it prevents entry of pathogens.
Sebaceous glands: found in the skin and produce chemicals that kill bacteria.
Sistem pertahanan umum: bertindak melawan semua patogen.
2. Sistem pertahanan khusus: menyerang patogen tertentu.
1. Contoh sistem pertahanan umum.
Kulit: memberikan penghalang untuk infeksi.
Pembekuan: ketika kulit rusak itu mencegah masuknya patogen.
Kelenjar sebaceous: ditemukan di kulit dan menghasilkan bahan kimia yang membunuh bakteri.
