Primary cell cultures have finite life-span in vitro.

The remains and traces of past life are termed as 

When a few individuals start a colony and their collective genes represent only a fraction of the original gene pool, it is called

The study of the distribution of species throughout the world is termed as 

Which organelle contain its own DNA?

When a heterozygote is intermediate between two homozygotes the inheritance pattern is termed as

Cystic fibrosis is a disease caused by recessive allele. If father is a carrier of the cystic fibrosis disease gene, and has both normal alleles, what is the chance that the child will have the disease?

Sister chromatids exchange genetic material in what type of event?

The sickle cell allele is maintained in some population because

In a test cross done to determine the likely genotype of an individual with dominant phenotype, this individual is crossed with an individual showing