نتایج جستجو برای: qāḍī abd al

تعداد نتایج: 444465  

Journal: :Development 1987
S Y Tiong J R Whittle M C Gribbin

We have examined the developmental consequences for larval and imaginal segmental cuticular structure of a chromosomal translocation involving a breakpoint in the abdominal region of the bithorax complex (BX-C). This complex makes an essential contribution to the development of metameric differences in part of the thorax and in all abdominal segments. The breakpoint is proximal to the most dist...

Journal: :Evolution & development 2010
Cheryl C Hsia Adam C Paré Michael Hannon Matthew Ronshaugen William McGinnis

We tested whether Artemia abd-A could repress limbs in Drosophila embryos, and found that although abd-A transcripts were produced, ABD-A protein was not. Similarly, developing Artemia epidermal cells showed expression of abd-A transcripts without accumulation of ABD-A protein. This finding in Artemia reveals a new variation in Hox gene function that is associated with morphological evolution. ...

Journal: :Development 1992
K Ueno C C Hui M Fukuta Y Suzuki

The E loci in Bombyx mori are expected to contain a homeotic gene complex specifying the identities of the larval abdominal segments. However, the molecular structure of this complex remains to be determined. We have started to analyze the structural changes in the E complex mutations. We used three newly isolated Bombyx homeobox genes as probes. These genes are probably homologues of the Ultra...

Journal: :Documenta & Instrumenta - Documenta et Instrumenta 2015

Journal: :تاریخ علم 0
سجاد نیک فهم خوب روان کارشناس ارشد تاریخ علم (نجوم دور? اسلامی) پویان شهیدی دانشجوی کارشناسی ارشد تاریخ علم (نجوم دور? اسلامی) پژوهشکد? تاریخ علم، دانشگاه تهران

abd al-rah?m?n al-s??f? is a well-known astronomer who has some works in astronomy, mathematics and alchemy. the importance of his s?uwar al-kaw?kib (book about the constellations) caused that researchers don’t practice his other works. four treatises on astrolabe are ascribed to al-s??f?, any one of them is in persian. attribution of the three arabic treatises among these four to him is certai...

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