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Results 1 - 10 of 247 for Eggs
  1. Chromosome 15 
    ... copy of the chromosome that comes from the egg cell. During fertilization, the egg and the sperm each contribute one copy of ... only on the copy that came from the egg cell. This parent-specific gene activation results from ...
    https://medlineplus.gov/genetics/chromosome/15 - Genetics
  2. What is a gene variant and how do variants occur?: MedlinePlus Genetics 
    ... because they are present in the parent’s egg or sperm cells, which are also called germ cells. When an egg and a sperm cell unite, the resulting fertilized ...
    https://medlineplus.gov/.../mutationsanddisorders/genemutation - Genetics
  3. 49,XXXXY syndrome 
    ... random event during the formation of reproductive cells (eggs) in an affected person's parent. During cell ... nondisjunction prevents X chromosomes from being distributed among egg cells as they form. Typically, as cells divide, ...
    https://medlineplus.gov/genetics/condition/49xxxxy-syndrome - Genetics
  4. Klinefelter syndrome 
    ... chromosome occurs during the formation of reproductive cells (eggs or sperm) in one of an affected person' ... as they form. Typically, as cells divide, each egg cell gets a single X chromosome, and each ...
    https://medlineplus.gov/genetics/condition/klinefelter-syndrome - Genetics
  5. Globozoospermia 
    ... that break down the outer membrane of an egg cell, allowing the sperm to fertilize the egg. The sperm cells of males with globozoospermia, however, ... The abnormal sperm are unable to fertilize an egg cell, leading to infertility. Globozoospermia is a rare ...
    https://medlineplus.gov/genetics/condition/globozoospermia - Genetics
  6. 48,XXXY syndrome 
    ... random event during the formation of reproductive cells (eggs or sperm) in one of an affected person' ... as they form. Typically, as cells divide, each egg cell gets a single X chromosome, and each ...
    https://medlineplus.gov/genetics/condition/48xxxy-syndrome - Genetics
  7. Is the probability of having twins determined by genetics?: MedlinePlus Genetics 
    ... also called identical twins, occur when a single egg cell is fertilized by a single sperm cell. ... twins, also called fraternal twins, occur when two egg cells are each fertilized by a different sperm ...
    https://medlineplus.gov/genetics/understanding/traits/twins - Genetics
  8. DPY19L2 gene 
    ... enzymes that break down the outer membrane of egg cells, allowing the sperm to fertilize an egg.The developing acrosome is attached to the nucleus ... to get through the outer membrane of an egg cell to fertilize it, leading to an inability ...
    https://medlineplus.gov/genetics/gene/dpy19l2 - Genetics
  9. Turner syndrome 
    ... the ovaries, the female reproductive organs that produce egg cells (oocytes) and female sex hormones, is also ... common. The ovaries develop normally at first, but egg cells usually die prematurely and most ovarian tissue ...
    https://medlineplus.gov/genetics/condition/turner-syndrome - Genetics
  10. Can changes in the number of chromosomes affect health and development?: MedlinePlus Genetics 
    ... can occur during the formation of reproductive cells (eggs and sperm), in early fetal development, or in ... error in cell division in cells other than eggs and sperm. Most commonly, some cells end up ...
    https://medlineplus.gov/.../chromosomalconditions - Genetics
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