Exam 6: Dna Structure and Function

Butterflies Butterflies are diploid organisms. In these animals, the sex of an individual is determined by Z and W chromosomes. Use this information to answer the following question. Which chromosomes are carried by a normal female butterfly?

How many chromosomes are present in human somatic cells?

What does DNA ligase do?

Hybridization of DNA is _____ and is driven entirely by _____.

If the DNA from a single cell were stretched end to end, how long would it be?

The characteristic "X" shape of chromosomes is _____.

Why did most scientists assume that the bases of DNA should be on the outside of the helix?

Until recently, most animal clones had serious health problems, such as ____.

Rosalind Franklin did not share in the Nobel Prize for the discovery of the structure of DNA because _____.

A eukaryotic chromosome consists of _____.

A diploid organism contains _____.

In the technique of embryo splitting, _____.

The most common source of DNA mutation is _____; however, these mistakes are typically corrected.

Before a cell divides, it must ____ its genetic information.

In the nucleotide sequence ACTGG, what does C stand for?

One of Chargaff's rules is _____.