CONGENITAL ANOMALIES (Birth defects)
Fig. 15-6a (a) The X-Y system 46 XY 46 XX Parents 46 XY 46 XX 23 X 23 X 23 Y or Sperm Egg + Zygotes (offspring) HELP! I need genes!
Karyotype A chart of chromosome pairs arranged by length and location of the centromere.
Packaged Instructions for Life. Chromosomes are packages of DNA wrapped with help of proteins called histones Composed of two identical sister chromatids.
1. Somatic cells in humans have __________ chromosomes. A. 23 B. 46 C. 92 ___.
