EQ: What is the difference between meiosis and Mitosis Warmup: What cells does mitosis make? What cells does Meiosis Make?

Mitosis Makes body cells 2 with same chromosomes. 12 12 12

Mitosis A cat has 22 chromosomes in a body cell: One cell goes under mitosis. What will you have after mitosis? (# of cells) (#of chromosomes)

Meiosis Making sex cells Sperm in males Eggs in females Sex cells have half the normal chromosomes Fertilization When sperm and egg combine dna. Need half # so combination is total

Meiosis If a cat has 12 chromosomes. How many chromosomes will be in each Egg cell? If 1 cell goes through meiosis, How many cells will you have? 12 12 12 6 6 6 6

Quiz Review Meiosis Mitosis How many cells after? What type of cells? How many chromosomes? Do chromosomes separate?

Quiz Review Meiosis Mitosis How many cells after? 4 2 What type of cells? Repro(Sperm/egg) body cell How many chromosomes? Half same Do chromosomes separate? Yes no

Quiz A fish has 16 chromosomes in each body cell How many chromosomes are in an egg cell? How many cells are made in meiosis? How many cells are made in mitosis? Which process makes an exact copy of a cell? Which process makes sex cells?

Miscellaneous Chromosome Theory of inheritance. What do you think it means? States that: Genes are passed from ___ ______ to ____ _______ on ____ ___ Parent Offspring Chromosomes

Dna Fingerprinting What do you think it means? Everyones DNA is unique Using dna to identify a person Used by police Used by anthropoligists

Relationships Who’s more related to a person? 98% similar dna : Apes 95% Similar: Pig 50% Banana How do you know? Dna can be used to show what animals are related.

Vocabulary review Nucleotide Chromosome Dna Homologous Chromosomes Gene Mutation Genome Selective Breeding Mitosis Meiosis Fertilization Sickle Cell Down Syndrome Pedigree Karyotype Genetic Engineering Each Partner chooses 1 list Create flash cards Write a dummy definition and picture