【印刷可能】 3 18 chromosomes 303553-Disease with 3 18 chromosomes
//wwwpatreoncom/statedclearly Ever get confused about the difference between DNA, genes, and Chromosomes? David Adlerhum_18gif Introduction The genetic size of chromosome 18 is 78 Mb It is ~27% of the total human genome Its short arm has 21 Mb;Cell with extra set of chromosomes is polyploid • Triploid (3N) cells have three sets of chromosomes Produced in one of two main ways o Fertilization of one egg by two sperm o Fusion of haploid and diploid gametes • Triploids account for 17% of all spontaneous abortions and 3% of stillbirths and newborn deaths 3 Edwards Syndrome Is Caused By An Extra Chromosome Chegg Com Disease with 3 18 chromosomes