What is another name for sex chromosomes

The allele for curly hair is incompletely dominant. if a mother is homozygous for curly hair and the father is homozygous for straight hair, what percentage of the offspring will exhibit characteristics of both parents? 25 percent 50 percent 75 percent 100 percent

Restless tectonic plates move (shift) between one and fifteen centimeters per year month day minute

Which best describes a gene? a. a sister chromatid b. a chromosome c. a tetrad d. a piece of a chromosome