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TLS Online TPP Program

#Question id: 11963

Which of the following is generally true?

#Human Biology
  1. all types of foods begin their enzymatic digestion in the mouth
  2. after leaving the oral cavity, the bolus enters the larynx
  3. the epiglottis prevents swallowed food from entering the trachea
  4. the trachea leads to the esophagus and then to the stomach
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TLS Online TPP Program

#Question id: 3509

#Genetics

Principle of independent assortment apply for those gene that is
TLS Online TPP Program

#Question id: 15000

#Genetics

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: 3510

#Genetics

Assume that the trihybrid cross AA BB RR X aa bb rr is made in a plant species in. What proportion of F2 progeny would be expected to be homozygous for all three genes when independently assort?
TLS Online TPP Program

#Question id: 14999

#Genetics

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: 3511

#Genetics

What proportional of one round and two wrinkle seed if random selected 3 seed from various seed produced from monohybrid test cross?
TLS Online TPP Program

#Question id: 14998

#Genetics

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?