TLS Online TPP Program
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TLS Online TPP Program
#Question id: 15000
#Unit 8. Inheritance Biology
I do a chi square analysis of the offspring from my cross of a black mouse and albino mouse. If the black mouse was heterozygous I should have expected a 1:1 ratio, and I got 6 albino and 2 black mice. What is my chi square value?
TLS Online TPP Program
#Question id: 15001
#Unit 8. Inheritance Biology
You cross true breeding lizards that are either green or albino and discover that all the offspring are striped green and white. Which is the most likely result if you cross two striped lizards?
TLS Online TPP Program
#Question id: 15002
#Unit 8. Inheritance Biology
If you performed a dihybrid cross and found that your results were significantly different from the 9:3:3:1 ratio, what would you suspect?
TLS Online TPP Program
#Question id: 15003
#Unit 8. Inheritance Biology
Laurie met her husband Jim at a support group for families dealing with PKU (phenylketonurea), a recessive genetic disorder. Laurie and Jim both have one sister who is affected with PKU and no other family history of the disorder. They come to you as a genetic counselor to ask what their risk is of having an affected child. What do you tell them?
TLS Online TPP Program
#Question id: 15004
#Unit 8. Inheritance Biology
Which of the following statements about a pedigree would be most definitive in determining a recessive pattern of inheritance?
TLS Online TPP Program
#Question id: 15005
#Unit 8. Inheritance Biology
You identify a previously unidentified plant species and decide to study its genetics. You establish true breeding strains for leaf shape (longer than wide vs equal length and width) and flower color (white vs. yellow). When you perform a dihybrid cross with these strains, you find that your results are very different than those predicted by a 9:3:3:1 ratio. You calculate a chi square and get a p value of less than 0.0001. Which of the following statements is most accurate based on this observation?