The iPhone X is goes up for pre-order on Oct. 27. Do you buy from Apple or the four major U.S. carriers (AT&T, Verizon, T-Mobile, Sprint)? We have answers.
A karyotype refers to a full set of chromosomes from an individual that can be compared to a normal karyotype for the species via genetic testing. A chromosome anomaly may be detected or confirmed in this manner. Chromosome anomalies usually occur when there is an error in cell division following meiosis or mitosis.
At first the cells have the same number of chromosomes as mitosis. DNA replication occurs, giving a total of 46 chromosomes (or 23 chromosome pairs) and 92 chromatids (or 46 chromatid pairs). Meiosis I: In meiosis I, the homologous chromosomes separate.