Biology, 11.02.2020 21:26 azktanae5855
Imagine that you attempted to recreate Mendel's work with garden peas. You began by crossing true breeding violet-flowered, tall plants with white-flowered dwarf plants.
After self-crossing the F1 generation, you obtain the following phenotypes in the F2generation:
80 tall, violet flowers
36 tall, white flowers
39 dwarf, violet flowers
5 dwarf, white flowers
Part A
How many tall plants with violet flowers were expected?
Express your answer as a whole number.
Part B
How many tall plants with white flowers were expected?
Express your answer as a whole number.
Part C
How many dwarf plants with violet flowers were expected?
Express your answer as a whole number.
Part D
How many dwarf plants with white flowers were expected?
Express your answer as a whole number.
Part E
Use a chi-square analysis to test the hypothesis that the F2 data for stem length (tall:dwarf) is consistent with Mendel's law of segregation.
Calculate the chi square value.
Express your answer to two decimal points (example: 100.00).
Part F
Can the deviation of observed values from expected values be attributed to random chance?
yes or NO
Use the probability chart to answer this question.
Use the probability chart to answer this question.
yes
no
Part G
Use a chi-square analysis to test the hypothesis that the F2 data for stem length (tall:dwarf) and flower color (violet:white) is consistent with Mendel's law of independent assortment.
Calculate the chi square value.
Express your answer to two decimal points (example: 100.00).
Part H
Can the deviation of observed values from expected values be attributed to random chance?
Use the probability chart to answer this question.
Use the probability chart to answer this question.
no
yes
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