Results 271 to 280 of about 801,183 (312)
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Comparison of cytologic and genetic distances between long arm subtelomeric markers of human autosome 14 suggests uneven distribution of crossing-over.

Cytogenetics and Cell Genetics, 1987
The analysis of two rodent X human somatic cell hybrids, carrying different inborn translocations of the human chromosome 14 long arm, has permitted us to narrow down the localization of the structural locus for alpha-1-antitrypsin (PI) to band 14q32.1 ...
M. Purrello   +9 more
semanticscholar   +1 more source

Apparent Double Crossing-Over in a Short Genetic Interval in Drosophila melanogaster [PDF]

open access: possibleNature, 1960
IN view of the reported occurrence of double crossing-over within a short genetic interval in Aspergillus 1 and of the purported existence of negative interference in bacteriophage2, it is worth while to record the recovery in Drosophila melanogaster of apparent double cross-over types within a short genetic interval where interference is nominally ...
openaire   +2 more sources

Crossing-Over Involving three Sex-Linked Genes in Chickens

American Naturalist, 1922
agents. Those which lived to produce young gave rise exclusively to normal young, indicating that genetic changes were not responsible for the abnormal heads. However, in view of the known inheritance of eyelessness in cave arthropods and vertebrates and
A. Serebrovsky
semanticscholar   +1 more source

Crossing-over modifiers and other genetical changes in the crossing-over value

1932
This is probably one of the most fascinating chapters in analytic genetics, and one of the most important chapters in cyto-genetics. The fact is, as Rasmusson (93) puts it, “... the linkage values are inherited as any quantitative character of any organism propagating in a sexual way ....
openaire   +2 more sources

Vigenere and genetic cross-over acting at the restricted ASCII code level for color image encryption

Medical & Biological Engineering & Computing, 2022
In the current high-tech era, the growing popularity of e-healthcare has heightened the attention focused on data security against cyber-attacks. As digital medical images are transported over the public network, an intermediate degree of protection must be in place.
openaire   +2 more sources

Crossing Over

Right Here, Right Now, 2012
Crossing over is the swapping of genetic material that occurs in the germ line. During the formation of egg and sperm cells, also known as meiosis, paired chromosomes from each parent align so that similar DNA sequences from the paired chromosomes cross ...
Imre Pólik
semanticscholar   +1 more source

The genetic evaluation of beef sires used for crossing with dairy cows in the UK 2. Genetic parameters and sire merit predictions for calving survey traits

, 1998
Genetic parameters were estimated for traits recorded in a calving survey for beef sires used in commercial dairy herds in England and Wales. The five traits included in the survey were calving difficulty score, calf mortality to 48 h after birth ...
B. Mcguirk, I. Going, A. Gilmour
semanticscholar   +1 more source

The genetic evaluation of beef sires used for crossing with dairy cows in the UK. 1. Sire breed and non-genetic effects on calving survey traits.

, 1998
An analysis has been carried out of over 88000 calving survey records for bulls of eight beef breeds tested in commercial dairy herds in England and Wales. The data were collected from 1981 to 1993.
B. Mcguirk, I. Going, A. Gilmour
semanticscholar   +1 more source

Unequal crossing over and the genetical organization of the white locus ofDrosophila melanogaster

Zeitschrift f�r Vererbungslehre, 1963
Unequal crossing over occurs in females heterozygousw a /w a4 such that a deficiency and duplication can be recovered regularly. A triplication was also found following crossing over in the homozygous duplication.
openaire   +2 more sources

Modified cross-over techniques in genetic algorithm for performance enhancement of retinal image classification system

Third International Conference on Computational Intelligence and Information Technology (CIIT 2013), 2013
Abnormality identification in retinal images has become one of the significant applications in the field of medical image analysis. Most of the detection techniques are computer aided which involves several computing techniques. One of the significant computing techniques is optimization which is extremely important for any abnormality detection system.
J. Anitha, D. Jude Hemanth
openaire   +2 more sources

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