Your friends Ben and Jane are contemplating having children and seek your genetic counsel. Ben and Jane are unrelated, but both have younger brothers with the same, extremely rare genetic trait. (In fact, Ben and Jane met at a support group meeting for children and families of children with this rare disorder.) Ben’s parents and Jane’s parents are all unaffected.          

Assume that the trait is autosomal recessive with complete penetrance. What is the probability that Ben and Jane’s first child will be affected with the trait? If not affected, what is the probability that the child is a carrier?

#Question id: 34133

#Unit 7. System Physiology – Animal

#Question id: 27957

#Unit 1. Molecules and their Interaction Relevant to Biology

Bicarbonate + Pyruvate→ Oxaloacetate

a. This reaction catalyzed by pyruvate carboxylase

b. This reaction catalyzed by carbonic anhydrases

c. Uses biotin as cofactor of pyruvate carboxylase

d. Uses biotin as cofactor ofby carbonic anhydrases

#Question id: 1101

#Unit 4. Cell Communication and Cell Signaling

The activity of adenylyl cyclase is essentially the opposite of which of the following enzymes?

#Question id: 29469

#Unit 6. System Physiology – Plant

Which of the following is NOT involves in synthesizes strigolactone

#Question id: 4730

#Unit 8. Inheritance Biology

Cross is made between a pure breeding plant having red coloured male flowers with a pure breeding plant having white colored female flowers. All of these offspring are white colored flower. Upon selfing of these F1 red flower plant produced both red and white flower. Which of the following is conclusion of these cross?