Consider the following cross:

A/a ; B/b ; C/c ; D/d ; E/e  X a/a ; B/b ; c/c ; D/d ; e/e

What proportion of progeny will phenotypically resemble the first parent?

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#Question id: 18087

#Unit 13. Methods in Biology

Each of five questions on a multiple-choice examination has four choices, only one of which is correct. The student is attempting to guess the answers. The random variable X is the number of questions answer correctly. Probability that the student will get

Exactly three correct answers

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#Question id: 3617

#Unit 8. Inheritance Biology

Alternate forms of a gene is called

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#Question id: 4299

#Unit 3. Fundamental Processes

Lactate dehydrogenase (LDH) can exist as various tetrameric isozymes. Extracts from different rat tissues were run on a nondenaturing polyacrylamide gel and stained for LDH activity, as shown below. Standard tetramers of M subunits (M4) and H subunits (H4) were run alongside the tissue extracts. Which of the following is the subunit composition of the isozyme running at position 2 ?

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#Question id: 23181

#Unit 13. Methods in Biology

__________ type of biosensors exist to measure the concentration and location of Ca2+ and the activation state of GTPase switch proteins.

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#Question id: 15994

#Unit 12. Applied Biology

Somaclonal variation may arise due to following events at molecular level, except.