Skip navigation

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

Results 1 - 7 of 7 for Y chromosome
  1. What is genetic ancestry testing?: MedlinePlus Genetics 
    ... are commonly used for genealogy: Variations in the Y chromosome can be used to explore ancestry in the direct male line. Only individuals with a Y chromosome (typically males) can have this type of testing ...
    https://medlineplus.gov/.../dtcgenetictesting/ancestrytesting - Genetics
  2. What are the different ways a genetic condition can be inherited?: MedlinePlus Genetics 
    ... that causes the disorder is located on the Y chromosome , one of the two sex chromosomes in each ... male's cells. Because only males have a Y chromosome, in Y-linked inheritance, a variant can only ...
    https://medlineplus.gov/.../inheritance/inheritancepatterns - Genetics
  3. If a genetic disorder runs in my family, what are the chances that my children will have the condition?: MedlinePlus ... 
    ... because men have one X chromosome and one Y chromosome , while women have two X chromosomes. A man passes on his Y chromosome to all of his sons and his X ...
    https://medlineplus.gov/.../understanding/inheritance/riskassessment - Genetics
  4. How many chromosomes do people have?: MedlinePlus Genetics 
    ... chromosome , while males have one X and one Y chromosome . The 22 autosomes are numbered by size. The other two chromosomes, X and Y, are the sex chromosomes. This picture of the human chromosomes lined up ...
    https://medlineplus.gov/.../understanding/basics/howmanychromosomes - Genetics
  5. What is noninvasive prenatal testing (NIPT) and what disorders can it screen for?: MedlinePlus Genetics 
    ... or missing copies of the X chromosome and Y chromosome (the sex chromosomes). The accuracy of the test ...
    https://medlineplus.gov/genetics/understanding/testing/nipt - Genetics
  6. How do geneticists indicate the location of a gene?: MedlinePlus Genetics 
    ... The sex chromosomes are designated by X or Y. The arm of the chromosome. Each chromosome is divided into two sections (arms) ...
    https://medlineplus.gov/.../understanding/howgeneswork/genelocation - Genetics
  7. How does gene therapy work?: MedlinePlus Genetics 
    ... genetic material (including the new gene) into a chromosome in the human cell. Other viruses, such as ... but the DNA is not integrated into a chromosome. Viruses can also deliver the gene-editing tools ...
    https://medlineplus.gov/genetics/understanding/therapy/procedures - Genetics