The gel below shows a region of STRs from a DNA sample taken from a crime scene. It also shows the same region of STRs from 4 suspects involved in the case. Which suspect' DNA was found at the crime scene?

The possibility of extensive genetic testing raises questions about how personal genetic information should be used. For example, should employers or potential employers have access to such information?

How could the research group determine whether a homologous gene for blight resistance exists in the human genome?

Genetic profiles are used to determine whether Sam could be the father of Becky's baby. Sam is not the father if __________ genetic profile shows some bands not present in __________ genetic profile.

Genetic profiles used as evidence in a murder trial look something like supermarket bar codes. The pattern of bars in a genetic profile shows __________.

Imagine you have found a small quantity of DNA. Fill in the following diagram, which outlines a series of DNA technology experiments you could perform to study this DNA. a. b. c. d. e.

The DNA profiles used as evidence in a murder trial look something like supermarket bar codes. The pattern of bars in a DNA profile showsa. the order of bases in a particular gene.b. the presence of various-sized fragments of DNA.c. the presence of dominant or recessive alleles for particular traits.d. the order of genes along particular chromosomes.