Biology Now, 2e

106 ■ CHAPTER 06 Cell Division CELLS zygote inherits a haploid (n) set of chromo- somes from each of the gametes, restoring the ...

Toxic Plastic ■ 107 The first cytokinesis takes place, producing two haploid cells. Each replicated chromosome pairs with its ho ...

108 ■ CHAPTER 06 Cell Division CELLS a wide variety of consumer products and that we are probably all exposed to—can cause an in ...

Toxic Plastic ■ 109 Each former chromatid is sorted into a different daughter cell. Four genetically different gametes are gener ...

110 ■ CHAPTER 06 Cell Division CELLS Combination 1 Combination 2 Combination 3 Combination 4 Metaphase of meiosis I Metaphase of ...

Toxic Plastic ■ 111 about the chemicals that have replaced BPA, some of which are also estrogen mimics. In the last several year ...

When the cell cycle spirals out of control, cancer emerges: abnormal cells divide in a frenzy and can invade other tissues. Ther ...

Toxic Plastic ■ 113 ● (^) The cell cycle is the set sequence of events over the life span of a eukaryotic cell that will divide. ...

114 ■ CHAPTER 06 Cell Division (^10) Scientists are able to isolate cells in various phases of the cell cycle. During an experim ...

Toxic Plastic ■ 115 2014, and 2015. All failed to pass. Another bill was introduced to the House of Representatives on September ...

GENETICS Dog Days of Science Two canine-loving researchers unravel the genetic secrets of man’s best friend. ◆ (^) Distinguish b ...

117 GENETICS 07 CHAPTER PATTERNS OF INHERITANCE ...

118 ■ CHAPTER 07 Patterns of Inheritance GENETICSGENETICS G ordon Lark’s best friend was dying. Soft and shaggy, with tousled bl ...

Dog Days of Science ■ 119 (see Chapter 9 for more on mutation). Genetic diversity in a species, whether it is soybeans or dogs o ...

120 ■ CHAPTER 07 Patterns of Inheritance GENETICSGENETICS a dog that is heterozygous for fur color (Bb), for example, will be bl ...

Dog Days of Science ■ 121 × When the planted seeds grew into plants (F 1 ), he allowed the plants to self-fertilize, and once ag ...

122 ■ CHAPTER 07 Patterns of Inheritance GENETICSGENETICS shows all possible ways that two alleles can be brought together throu ...

Dog Days of Science ■ 123 and brown offspring that would result if two heterozygous (Bb) black-coated dogs were mated. It is imp ...

T he probability of an event is the chance that the event will occur. For example, there is a probability of 0.5 that a coin wil ...

Dog Days of Science ■ 125 Golden retrievers are prone to cancers of the bone marrow. Ostrander’s research group is analyzing the ...