1. WHAT IS LOCATED ON THE CHROMOSOME? A. CELLULAR ORGANELLES B. HEREDITARY AND GENETIC INFORMATION...
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Transcript of 1. WHAT IS LOCATED ON THE CHROMOSOME? A. CELLULAR ORGANELLES B. HEREDITARY AND GENETIC INFORMATION...
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1. WHAT IS LOCATED ON THE CHROMOSOME?A. CELLULAR ORGANELLESB. HEREDITARY AND GENETIC INFORMATIONC. INSTRUCTIONS FOR CELL ACTIVITIES D. ENZYME MATERIALS 2. WHICH OF THE PICTURES BELOW SHOWS A TRAIT THAT IS NOT INHERITED BY OFFSPRING?
Bell Work 2/6/15
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OBJECTIVESDescribe the relationship among genes, chromosomes, and inherited traits. (SPI 0707.4.3)
Interpret a Punnett square to predict possible genetic combinations passed from parents to offspring during sexual reproduction. (SPI0707.4.4)
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PUNNETT SQUARE CHALLENGE Each group has two different Punnett
Square Challenges in their colored folders. For each challenge you must create and interpret a Punnett square to predict possible genetic combinations passed from parents to offspring during sexual reproduction.
The following must be written on a loose leaf sheet of notebook paper: 1. Crossed Punnett square2. All possible genotypes and phenotypes of
offspring3. The answer to the question (percentages,
ratios, etc.)4. You and your team have 5 minutes. When you
are finished, work on Science Art.
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GROUP #1 CHALLENGE
In dogs, wire hair (W) is dominant to smooth (w). What is the percentage in a cross of a homozygous wire-haired dog with a smooth-haired dog?
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GROUP #2 CHALLENGE
In rabbits, black fur is dominant to white fur.
What are the percentages for a homozygous black
rabbit and a homozygous white rabbit?
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GROUP #3 CHALLENGEIn pea plants, spherical seeds
(S) are dominant to dented seeds (s). In a genetic cross
of two plants that are heterozygous for seed shape,
what ratio of the offspring should have spherical seeds?
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GROUP #4 CHALLENGEIn fruit flies, red eyes are dominant to white eyes. What is the percentage
for heterozygous fruit fly with a homozygous recessive fruit fly?
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GROUP #5 CHALLENGEIn humans, pointed eyebrows
are dominant over smooth eyebrows. What is the ratio for a homozygous woman
with pointed eyebrows and a man with smooth eyebrows?
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GROUP #6 CHALLENGEIn guinea pigs, smooth coat (S) is dominant over rough coat (s) and black coat (B)
is dominant over white coat (b). What is the ratio for 2 rough coated guinea
pigs?
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GROUP #7 CHALLENGEIn tomatoes, red fruit (R) is
dominant over yellow fruit. What will be the
percentage of homozygous yellow tomato and a
heterozygous tomato?
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GROUP #8 CHALLENGEShaggy hair in dogs is
dominant to its recessive allele, short
hair. What is the percentage of 2
heterozygous dogs?
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GENETICS PROJECT Directions: 1. You will need to choose one female and one male celebrity. 2. For each celebrity, you need to record the phenotype for the traits listed and pick a genotype. (For example, if Justin Bieber has blonde hair, the genotype would be “bb”. If Selena Gomez has brown hair, her genotype would be either “Bb” or “BB”.)
3. Create a Punnett square to express the possible offspring outcomes.
4. Record the trait the offspring will MOST LIKELY inherit. 5. Draw a picture depicting what the offspring should look like based on inherited traits.
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EXIT TICKETCreate your own monohybrid Punnett Square cross
word problem.Use the examples in your notes for ideas.