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# Chapter 6.5 outline

### Meiosis and Mendel

Question | Answer |
---|---|

How can you find the ratio of genotypes in a generation? | by counting the number of the squares with each genetic combination |

How many alleles does each parent have for each gene? | Two |

How many alleles does each parent contribute to the offspring? | One |

What does homozygous mean? | The same |

What does heterozygous mean? | Different |

The Homozygous parent will give the offspring a _____ allele. | Recessive |

The organism with the recessive phenotype must be ____. | Homozygous recessive |

What is a dihybrid cross? | a cross that examines the inheritance of two different traits |

What did mendel begin his crosses with? | Purebred plants |

What is the law of independent assortment? | it states that allele pairs separate independently of each other during gamete formation |

The result of Mendels dihybrid crosses can also be illustrated with? | A punnett Square |

What is Probability? | The likelihood that a particular event will happen |

What is the probability of a coin landing on heads? | one out of two |

Depending on how one coin lands, will it affect how the other coin lands? | No |

What is the probability that a gamete will get a dominant allele? | one out of two |

What is the probability that a gamete will get a recessive allele? | one out of two |

what is a monohybrid cross? | A cross that examines only of specific trait |

What is a Punnett square? | a grid system for predicting all possible genotypes resulting from a cross |