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Results 1 - 10 of 15 for Eggs
  1. 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
  2. What are genomic imprinting and uniparental disomy?: MedlinePlus Genetics 
    ... two copies of each gene—one from the egg cell and one from the sperm cell. Both ... active only when they are derived from the egg cell. This phenomenon is known as genomic imprinting. ...
    https://medlineplus.gov/.../understanding/inheritance/updimprinting - Genetics
  3. 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
  4. 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
  5. How do cells divide?: MedlinePlus Genetics 
    ... is the type of cell division that creates egg and sperm cells. Mitosis is a fundamental process ... from 46 to 23—to form sperm and egg cells. When the sperm and egg cells unite ...
    https://medlineplus.gov/.../understanding/howgeneswork/cellsdivide - Genetics
  6. Can changes in the structure of chromosomes affect health and development?: MedlinePlus Genetics 
    ... Structural changes can occur during the formation of egg or sperm cells, in early fetal development, or ... they occur in somatic cells (cells other than eggs or sperm) during the formation or progression of ...
    https://medlineplus.gov/.../mutationsanddisorders/structuralchanges - Genetics
  7. Are chromosomal disorders inherited?: MedlinePlus Genetics 
    ... random events during the formation of reproductive cells (eggs and sperm). An error in cell division called ... changes occur in somatic cells (cells other than eggs and sperm), they cannot be passed from one ...
    https://medlineplus.gov/.../inheritance/chromosomalinheritance - Genetics
  8. What are genome editing and CRISPR-Cas9?: MedlinePlus Genetics 
    ... to somatic cells, which are cells other than egg and sperm cells (germline cells). These changes are ... the next. However, changes made to genes in egg or sperm cells or to the genes of ...
    https://medlineplus.gov/.../genomicresearch/genomeediting - Genetics
  9. Can changes in mitochondrial DNA affect health and development?: MedlinePlus Genetics 
    ... the DNA of certain cells (not sperm or egg cells) during a person’s lifetime and are ...
    https://medlineplus.gov/.../mitochondrialconditions - Genetics
  10. How are gene variants involved in evolution?: MedlinePlus Genetics 
    ... influence evolution. Only hereditary variants , which occur in egg or sperm cells, can be passed to future ...
    https://medlineplus.gov/.../mutationsanddisorders/evolution - Genetics
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