The best definition of a purebred plant is one that ______.

Thymine and cytosine differ from adenine and guanine in that

Chromosomes that do not determine the sex of an individual are called ______.

Sister chromatids are joined at the ______.

Thymine and cytosine differ from adenine and guanine in that

According to Mendel’s law of segregation, ______.

Chromatin consists of ______.

During metaphase ______.

An individual heterozygous for cystic fibrosis ______.

During metaphase ______.