Biology Now, 2e

146 ■ CHAPTER 08 Chromosomes and Human Genetics GENETICS parents, are genetic carriers of the disorder; they carry the disorder ...

A Deadly Inheritance ■ 147 in a gene involved in bone growth. People with achondroplasia have a decreased life span, so few of t ...

148 ■ CHAPTER 08 Chromosomes and Human Genetics GENETICS Prenatal Genetic Screening H ow is the baby? This is one of the first q ...

A Deadly Inheritance ■ 149 genetically engineered cells back into Felix’s body. And the waiting began. Klein published the early ...

150 ■ CHAPTER 08 Chromosomes and Human Genetics GENETICS from the type of virus used to insert the healthy gene into their cells ...

A Deadly Inheritance ■ 151 Challenge Yourself (^5) Sickle-cell disease is inherited as a recessive genetic disorder in humans; t ...

152 ■ CHAPTER 08 Chromosomes and Human Genetics (^13) For the pedigree shown here, the disorder is caused by a recessive (g) aut ...

A Deadly Inheritance ■ 153 (b) Genetics and Public Policy Group. You will present data on the beliefs of the American public in ...

Pigs to the Rescue Using CRISPR, a hot new genome-editing tool, scientists hope to create a steady stream of transplant organs—f ...

Pigs to the Rescue 155 GENETICS 09 CHAPTER WHAT GENES ARE ...

156 ■ CHAPTER 09 What Genes Are GENETICS P igs,” thought Marc Güell. “What if we could modify pigs?” Güell, a young biochemist a ...

Pigs to the Rescue ■ 157 general, people tend to prefer the idea of trans- plants from pigs over transplants from mammals more c ...

158 ■ CHAPTER 09 What Genes Are GENETICS information can be stored in a DNA sequence and in a genome. The genome of the domestic ...

Pigs to the Rescue ■ 159 part of a defense system used by bacteria. Bacte- ria are constantly under bombardment from viruses tha ...

160 ■ CHAPTER 09 What Genes Are GENETICS of two RNA molecules that guide two Cas9 proteins to chosen, precise sites in a genome. ...

Pigs to the Rescue ■ 161 instructions behave the same. In humans, viral DNA was integrated into the genome a long, long time ago ...

162 ■ CHAPTER 09 What Genes Are GENETICS polymerase—a key enzyme in the replication of DNA—builds the two new strands of DNA, st ...

Pigs to the Rescue ■ 163 DNA quickly in a test tube. In the 1980s, scien- tists developed a way to mimic natural DNA re - plicat ...

164 ■ CHAPTER 09 What Genes Are GENETICS C C G G C C G G A T A T A T A A T G C G C T T A T A A G A G G A G T A C C C C G C G C G ...

Pigs to the Rescue ■ 165 pair (known as a point mutation) to the addi- tion or deletion of one or more whole chromo- somes (a ch ...