**From the bestselling author of Horrible Histories...** Darius has been orphaned by the plague in Athens. To escape the sickness he runs off to join his Uncle Alcmaeon, who is a general with the Spartan army. But to the arrogant and ruthless Spartans, he is as worthless as a mouse. Then his un
The chromosomes of the house mouse
โ Scribed by Elizabeth K. Cox
- Publisher
- John Wiley and Sons
- Year
- 1926
- Tongue
- English
- Weight
- 356 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0362-2525
No coin nor oath required. For personal study only.
โฆ Synopsis
Abstract
The spermatogenesis of the domestic mouse has been studied. There are forty chromosomes in spermatogonia and twenty in primary spermatocytes. The sex chromosomes are of the usual XโY type. Especial attention has been devoted to the study of chromosome morphology, both in spermatogonia and in primary spermatocytes.
๐ SIMILAR VOLUMES
The occurrence of harelip and cleft palate has been reported in several species of mammals, including cattle, sheep, dogs, and lions (Rischbieth, '10). I n man the defect is a common one, and is generally recognized as due to hereditary causes. The exact manner of the inheritance, however, has been