Dna is a polymer made up ,a, g,c and t. it is the genetic material of all cells in all living things.

This is due ! matching pairs of chromosomes from parents are called a. homologous chromosomes b. heterozygous chromosomes c. herterogenes d. homologous bands

Free brainliest! what is a characteistic of the american stradfordshire?

Which of the following is one of the four conditions necessary for natural selection to occur in a population? fewer organisms are born than the habitat can support mutation does not occur organisms have identical characteristics variation is inherited