Chromosome constitution 47,XYY in relation to stature
β Scribed by Johannes Nielsen
- Book ID
- 104711062
- Publisher
- Springer
- Year
- 1974
- Tongue
- English
- Weight
- 58 KB
- Volume
- 24
- Category
- Article
- ISSN
- 0340-6717
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Human sperm chromosomes from a 47,XYY male were examined using the direct method of sperm chromosome analysis with two modifications in the semen processing. A total of 75 sperm complements was karyotyped and all of these contained one sex chromosome. The percentages of X- and Y-bearing sperm were 5
Linear measurement of blocks of constitutive heterochromatin and the euchromatin portion 1q-h in three members of a family was used to study the dependence of the size of C blocks on the degree of chromosomal contraction. The results demonstrate that the size of heterochromatin portions decrease reg