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GENETICS VOCABULARY I Like Peas!!! The chromosomes below are considered _______ 1. 2. 3. 4. 0% 0% 0% 0% Homologous Homozygous Homogenous Homo sapien 1 2 3 4 5 6 21 22 23 24 25 26 7 8 9 10 11 12 13 14 15 16 17 18 19 20 These homologous chromosome are composed of…. 1. 2. 3. 4. 0% 0% 0% 0% DNA Protein Lipids Carbohydrates 1 2 3 4 5 6 21 22 23 24 25 26 7 8 9 10 11 12 13 14 15 16 17 18 19 20 The picture below represents various genes on a human chromosome. The red arrows indicate the _________ for where these genes are found on the chromosome. 1. 2. 3. 4. 0% 0% 0% 0% Allele Gene Loci region 1 2 3 4 5 6 21 22 23 24 25 26 7 8 9 10 11 12 13 14 15 16 17 18 19 20 The regions on the chromosomes below are segments of DNA that code for the production of a flower color protein. These segments of DNA are known as______ 0% 0% 0% 0% 1. 2. 3. 4. Loci Genotypes Phenotypes Genes The region! Regions marked A and B are genes. “A” results in the production of purple flowers. “B” results in the production of white flowers. Which term best describes these flower color genes. 0% 0% 0% 0% 1. 2. 3. 4. Homozygous Dominant Alleles Recessive A B The diagram below represents different eye colors/shapes in fruit flies. You are currently observing different _________for eye color. 1. Genotypes 0% 2. Phenotypes 0% 3. Loci 0% 0% 4. chromosomes Which best describes moms genotype 1. 2. 3. 4. 0% 0% 0% 0% Roller Non-roller Homozygous Dd Dd Dd DD 1 2 3 4 5 6 21 22 23 24 25 26 7 8 9 10 11 12 Dd 13 14 15 Dd 16 17 dd 18 19 20 Which of the following best represents a genotype Abc AAbbC Aa AB 0% AB AA b 0% Aa 0% bC 0% Ab c 1. 2. 3. 4. Which of the following is most likely a gamete AaBb Abcd Cc A 0% A 0% Cc d 0% Ab c b 0% Aa B 1. 2. 3. 4. Which best describes moms phenotype 1. 2. 3. 4. 0% 0% 0% 0% Roller Non-roller Homozygous Dd Dd Dd DD 1 2 3 4 5 6 21 22 23 24 25 26 7 8 9 10 11 12 Dd 13 14 15 Dd 16 17 dd 18 19 20 Which best describes dads genotype 1. 2. 3. 4. 0% 0% 0% 0% Roller Non-roller Heterozygous Dd Dd Dd DD 1 2 3 4 5 6 21 22 23 24 25 26 7 8 9 10 11 12 13 Dd 14 15 Dd 16 17 18 dd 19 20 The genotype of the first daughter in the F1 generation is best describes as: 1. 0% 2. 0% 3. 0% 4. Heterozygous Homozygous recessive Homozygous dominant Tongue roller 0% Dd Dd DD 1 2 3 4 5 6 21 22 23 24 25 26 7 8 9 10 11 12 Dd 13 14 15 Dd 16 17 dd 18 19 20 In the heterozygous genotype… 1. The recessive allele is “masked” by the dominant allele 2. The recessive allele may be “passed on” and show up in future generations 3. The dominant allele is expressed in the phenotype 0% 0% 0% 1 2 3 4 5 6 21 22 23 24 25 26 7 8 9 10 11 12 13 14 15 16 17 18 19 20 What does it mean to be DOMINANT? What does it mean to be RECESSIVE?