| Dictionary, Encyclopedia and Thesaurus - The Free Dictionary 1,767,271,154 visitors served. |
|
Dictionary/ thesaurus | Medical dictionary | Legal dictionary | Financial dictionary | Acronyms | Idioms | Encyclopedia | Wikipedia encyclopedia | ? |
Y chromosome |
Also found in: Dictionary/thesaurus, Medical, Wikipedia, Hutchinson | 0.01 sec. |
|
Y chromosome [′wī ′krō·mə‚sōm] (genetics) The sex chromosome found only in the heterogametic male sex, as in mammals andDrosophila. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
|
| ? Mentioned in | ? References in periodicals archive | |
|---|---|---|
Comparisons of men's Y chromosomes show that nearly all Indian men today, regardless of their tribe or caste, are descendants of populations that inhabited South Asia before agriculture's introduction to the region, concludes a team led by Vijendra K. The Science paper Underhill co-authored described the Y chromosomes of more than 1,000 men in 25 different Middle Eastern and European geographic regions. I thought that the X and Y chromosomes determined gender in animals, but I see no mention of them in "When to Change Sex" (SN: 1/17/04, p. |
| Encyclopedia |
| Free Tools: |
For surfers:
Free toolbar & extensions |
Word of the Day |
Help
For webmasters: Free content | Linking | Lookup box | Double-click lookup | Partner with us |
|---|