Select all that apply. chromosomes are tight coils of dna are carried on genes always occur in pairs can be analyzed in a karyotype carry thousands of genes

In the sentence Chromosomes , the choices that correctly completes the sentence are: are tight coils of DNA; can be analyzed in a karyotype; carry thousands of genes. Chromosomes are tight coils of DNA. It is a thread-lice structure into which DNA molecule is tightly packed around proteins. A section of a chromosome that typically contains the code for a particular protein is called a gene. Chromosomes carry thousands of genes. A test used to identify an organism's chromosomal makeup and to detect genetic defects is called karyotype.

Yes you are cute answer theories to explain the colonization of the new world the last great habitable landmass to be occupied by humans focus on the bering land bridge, or beringia, which emerge by siberia and alaska the last ice age.