Calix's karyotype showed that he has a genotype of XXY. Explain how nondisjunction caused Calix to be XXY. Include an explanation of why this could only occur in meiosis I.

The process by which natural forces move weathered rock and soil brim one place to another is called

When new rock is added to an oceanic ridge, the magnetized strips on either side of the ridge are evidence of sea-floor spreading. this is because the rocks on the two sides of the ridge o are equal in width and in polarity are polar opposites oare magnetized vary in width but are equal in polarity

Which individual below would be considered heterozygous? a.dd b.dd c.dd