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TLS Online TPP Program
#Question id: 14999
#Unit 8. Inheritance Biology
I know that black coat color in mice is dominant to albino. Black mice get a higher price at the pet store so I am disappointed when I cross a black mouse with an albino mouse and get 6 albino and 2 black mice in the litter. I expected all black. What mistake did I make?
TLS Online TPP Program
#Question id: 14998
#Unit 8. Inheritance Biology
You set up a monohybrid cross between true breeding round winged and true breeding oval winged insects. Your F1 offspring have round wings, and you collect the following numbers of F2: Round wings: 302; Oval wings: 86. Which of the following statements is NOT correct?
TLS Online TPP Program
#Question id: 14997
#Unit 8. Inheritance Biology
You capture several interesting insects from a population in your yard. By inbreeding, you develop true breeding strains that differ only in the shape of their wings - one strain has round wings while the other strain has oval wings. How might you demonstrate that Mendel's principles apply to your insects?
TLS Online TPP Program
#Question id: 4591
#Unit 11. Evolution and Behavior
Which of the following factors could cause a surge in population size?
TLS Online TPP Program
#Question id: 7760
#Unit 5. Developmental Biology
In general, the hormones that regulate senescence can be divided into two basic categories based on their most commonly observed effects:
I) positive (promoting) senescence regulators and
II) negative (repressing) senescence regulators
a) Hormones involved-Ethylene, Abscisic acid (ABA)
b) Hormones involved-Brassinosteroids (BRs), Salicylic acid (SA), Jasmonic acid (JA)
c) Hormones involved-Cytokinin, Auxin, Gibberellin (GAs)
Select correct combinations from given hormones which are involved in regulators?