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WNT4 deficiency is a rare genetic disorder that affects females and it results in the underdevelopment and sometimes absence of the uterus and vagina. WNT4 deficiency is caused by mutations of the WNT4 gene. Abnormally high androgen levels are found in the blood and can initiate and promote the development of male sex characteristics.
Signs and symptoms. Hypokalemic periodic paralysis is a condition that causes episodes of extreme muscle weakness typically beginning in childhood or adolescence. Most often, these episodes involve a temporary inability to move muscles in the arms and legs. Attacks cause severe weakness or paralysis that usually lasts from hours to days.
Transmittance of a de novo mutation in germ cells to offspring. A germline mutation, or germinal mutation, is any detectable variation within germ cells (cells that, when fully developed, become sperm and ova). [1] Mutations in these cells are the only mutations that can be passed on to offspring, when either a mutated sperm or oocyte come ...
GLUT1 deficiency syndrome, also known as GLUT1-DS, De Vivo disease or Glucose transporter type 1 deficiency syndrome, is an autosomal dominant genetic metabolic disorder associated with a deficiency of GLUT1, the protein that transports glucose across the blood brain barrier. [1] Glucose Transporter Type 1 Deficiency Syndrome has an estimated ...
Autosomal dominant and autosomal recessive inheritance, the two most common Mendelian inheritance patterns. An autosome is any chromosome other than a sex chromosome.. In genetics, dominance is the phenomenon of one variant of a gene on a chromosome masking or overriding the effect of a different variant of the same gene on the other copy of the chromosome.
Marfan syndrome is inherited in an autosomal-dominant pattern. Each parent with the condition has a 50% risk of passing the genetic defect on to any child due to its autosomal dominant nature. Most individuals with MFS have another affected family member. About 75% of cases are inherited. [1]
Genomic imprinting is an inheritance process independent of the classical Mendelian inheritance. [11] It is an epigenetic process that involves DNA methylation and histone methylation without altering the genetic sequence. These epigenetic marks are established ("imprinted") in the germline (sperm or egg cells) of the parents and are maintained ...
Rubinstein–Taybi syndrome, in many cases, is a microdeletion syndrome involving chromosomal segment 16p13.3 and is characterized by mutations in the CREBBP gene. [11][12] Varying amounts of material are deleted from this section of the chromosome and account for the spectrum of physiological symptoms. [13]