Hosa Human Growth And Development 2024 Actual Exam All 190 Questions And Correct Detailed Answers

What happens when genes mutate? - ANSWER--They normally become the basis for some form of disease. What are single-gene diseases? - ANSWER--This results from an individual mutant gene and may cause a failure to create something necessary. What are some examples of single-gene diseases? - ANSWER--Cystic Fibrosis, Hemophilia, Albinism, Huntingtons disease What are chromosomal diseases? What are the categories? - ANSWER--This disease is a result of chromosomal breakage, abnormal chromosome, or a missing chromosome. They two categories are trisomy and monosomy. What are examples of nonfatal chromosomal diseases? - ANSWER--Down syndrome and Turner syndrome What is gene therapy? - ANSWER--The treatment of single-cell disease by replacing the mutant gene. What are genetic engineering and recombinant DNA? - ANSWER--Recombinant DNA is the imitation and artificial manipulation of DNA. With recombinant DNA, scientist hope to replace defective genes with copies of healthy genes. How long does prenatal development last? - ANSWER--38 weeks from conception to birthWhat happens during the zygote period? - ANSWER--The is during the first 2 weeks of pregnancy and is when the zygote travels from the Fallopian tube to the uterus and implants itself in the uterine wall, here is where the amnion forms. Near the end of the