University:
Texas A&M University
Course:
BIOL 214 | Genes, Ecology and Evolution
Academic year:

2024
Views:

22

Pages:

2
Author:

diamundgalx45p

Name: _______________________________________ Date:____________ Part I 1. 2. 3. 4. 5. 6. You will work with a partner. Each ream gets an envelope. Remove the slips of paper (these represent the chromosomes) from your envelope. Working by yourself, take all your chromosomes and turn them upside down on your desk. Match them up by length of the white stick (there are 2 of each size). Working with your partner you each choose one chromosome from every pair and place them in the new “baby reebop” pile. Place the chromosome you DID NOT select back in their envelopes. You will NOT use the chromosomes in the envelope! Turn over the chromosomes for the baby reebop. This is the genotype of the baby (what it’s genes are). Use the key to determine what the baby reebop looks like (it’s phenotype). PART 2. Fill in the code for each characteristic (genotype) and then determine the appearance (phenotype). Characteristic Code (genotype) Appearance (phenotype) antenna antenna antenna AA Aa aa 1-antenna 2-antenna no-antenna ________ ________ ________ _______________ _______________ _______________ humps humps humps MM Mm mm 1-green hump 2-green humps 3-green humps ________ ________ ________ _______________ _______________ _______________ mouth mouth mouth QQ Qq qq pink mouth orange mouth yellow mouth ________ ________ ________ _______________ _______________ _______________ tail tail tail TT Tt tt curly tail straight tail no tail ________ ________ ________ _______________ _______________ _______________ eyes eyes eyes EE Ee ee 2-eyes 2-eyes 3-eyes ________ ________ ________ _______________ _______________ _______________ legs legs legs LL Ll ll blue stripe legs blue stripe legs red stripe legs ________ ________ ________ _______________ _______________ _______________ 2 segments 2 segments 3 segments ________ ________ ________ _______________ _______________ _______________ body segments DD body segments Dd body segments dd Keys= to Reebop Traits Antenna 1 antenna 2 antennae No antennae = AA = Aa = aa Mouth Pink mouth = QQ Orange mouth = Qq Yellow mouth = qq Body segments 2 body segments 3 body segments Humps 1 green hump 2 green humps 3 green humps = MM = Mm = mm Tail Curly tail Straight tail No tail = TT = Tt = tt =DD or Dd =dd Gross anatomy of a reebop Toothpicks function as the unseen ligaments and tendons Legs blue stripe legs blue stripe legs red stripe legs Eyes 2 eyes 3 eyes =LL =Ll =ll =EE or Ee =ee

Chromosome Activity Worksheet

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