解：49×括号x-y^2-16×括号x+y^2 =49（x-y²-16）（x+y²）=49（x²+xy²-xy²-y^4-16x-16y²）=49（x²-y^4-16x-16y²）=-49y^4-784y²+49x²-784x
The first case of a liveborn male infant trisomic for both the X and the No 18 chromosome is presented. The patient had multiple congenital anomalies many of which were similar in appearance to patients with trisomy 18. The proband died after 2 days. Both maternal and paternal karyotypes wer...
Klinefelter's syndrome is a frequent genetic sexual alteration in males, associated with the 47,XXY aneuploidy. Several syndrome variants are caused by different X and Y polysomy and mosaicisms, including the 49,XXXXY condition described by some authors
xaxis) against increasing susceptibility to critical COVID-19 (βxy = 0.16;Pxy = 9.7 × 10−6). Colour shows linkage disequilibrium with the missense variant rs721917.d, Three cartoon views of an AlphaFold22model of pulmonary surfactant-associated protein D (SFTPD; UniProtKB:P...
16x²-49y²=(4x)²-(7y)²=(4x-7y)(4x+7y)
英国Gamet(盖米特)机床主轴轴承123073X/123121XG。 美国RBC垂直稳定器轴承NE9E。 美国RBC垂直稳定器轴承7201KSU。 韩国JMC轴承代理商JF5/16L。 美国RBC航空轴承M81820/2-6轴承EN4613R-8轴承MS27640-3AR轴承。 英国RHP轴承7002A5TYSULP4。 英国RHP轴承SNP1.1/8。 日本NB轴承SGL15TF2-340。 日本OZAK直线轴承SF...
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silence-is-best/c2db Error Looks like something went wrong!
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49、XXXXY综合症的英文名字是49,XXXXY syndrome。基因解码表明:佳学基因采用基因解码表明,49、XXXXY综合症是由基因突变引起的。这种疾病是由于男性患者多个性染色体异常,即存在额外的两个X染色体和两个Y染色体,而正常男性只有一个X染色体和一个Y染色体。这种基因突变会