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Q1 What part of the diagram shown below represents gametes? A) The single letter

ID: 174218 • Letter: Q

Question

Q1

What part of the diagram shown below represents gametes?

A) The single letters (A or a) on the top and along the left side of the Punnet square

B) The paired letters in the four boxes (AA etc.)

C) Both the single letters outside the box and the paired letters in the boxes are gametes

D) Neither are gametes

Q2

An apple tree with the genotype AA is growing near an apple tree with the genotype aa

Which of the Punnett Square diagrams below shows a cross between these two trees?

A)1 or 3

B)only 1

C) Any of these Punnett squares would be showing a possible cross between aa and AA

D)1,3, and 4

a Al AAAa al Aa | aa aa A

Explanation / Answer

These are punnet squares which are diagrams that are used to predict an outcome of a particular cross or breeding experiment. It is named after Reginald C. Punnett, who devised the approach. This diagram is used by biologists to determine the probability of an offspring having a particular genotype

Q1. The part of the punnet square i.e. the diagram that represents gamest is: option A ( single letters on top and side).

Q2: A cross between the genotype AA and aa can be represent by: the option A ( 1 and 3) punnet squares.