What type of gene is the BRCA1/2 gene () A、Proto-oncogene B、Tumor suppressor gene C、Viral oncogene D、Cell oncogene 点击查看答案 你可能感兴趣的试题 单项选择题处理媒体引发的突发事件,其方法不包括以下哪项? A、早沟通 B、早报道 C、不报道 D、早隔离 点击查看答案 问答题单据编号设置有哪几...
Genes such as breast cancer 1 (BRCA1) or breast cancer 2 (BRCA2), or mutations or variants in other genes First monthly period before age 12, or menopause that starts after age 55 Long-term use of estrogen or progestin, or exposure to chest or face radiation before the age of 30 Firs...
Researchers have now identified two genes responsible for some instances of familial breast cancer BRCAI and BRCA2. About one woman in 200 carries one of these genes. Having a BRA 1 or BRCA 2 gene predisposes a woman to breast cancer and - while it does not ensure that she will get ...
but you're not necessarily going to get it," he says. "Just the 5% is related to three different genes," known as the APP gene, Presenilin 1 and Presenilin 2. "In those cases, if you inherit that gene, typically you will get the disease." ...
What is this 'second-generation' theory of the gene? The second-generation theory of the gene: The second-generation theory entails the filial generation principles in genetics by Gregor Mendel. The filial generation involves crossing two individuals of the first (F1) filial generation. Gregor Mend...
What is the germline BRCA mutation? What chromosome has the genetic mutation for color blindness? What chromosome has the genetic mutation for schizophrenia? What is caused by an autosomal dominant mutation? What are autosomal genetic disorders?
Women who are at an increased risk of breast cancer — because of a family history or because genetic testing has revealed a mutation in their BRCA1 or BRCA2 gene — should opt for closer monitoring by their healthcare provider and consider taking certain medications that may reduce the risk...
Get genetic testing: Genetic counseling and testing can help you determine if you are predisposed to breast cancer, including carrying the BRCA1 or BRCA2 gene. If you have an increased risk, your doctor may recommend more screenings.
In contrast, for disorders where risk can be reduced or mitigated, such as mastectomy for women with the BRCA gene, counseling is consistently provided [27]. In the absence of unique interventions to modify disease risk, there is a concern that full disclosure may lead to unnecessary worry or...
It is not clear whether the BRCA2 gene is a cause of cancer or that the microbes inside the cancer cells (See theory mentioned above) cause the BRCA2 gene damage. A DNA strand is between 3.2 billion and 3.5 billion nucleotides long. Only a very small percentage of these DNA codes for ...