Hypothetical Situation

3 Responses | Created by Rattus |

Rattus Choki is my male black berkshire rat. So for his coat color, we give him a genetic symbol of -aa-. A friend from Quezon City gave me one of his female rats, Rattus Gaga, which has a crazy agouti coat; he told me that her parents were also both agouti, so we give her a genetic symbol of -AA-. From what I remember, dominant traits are represented by uppercase letters; the opposite is represented by lowercase letters.

  1. 1

    If Rattus Gaga’s parents were both agouti, giving her a genetic constitution of -AA- and not -Aa-, what do we call this?

  2. 2

    Choki versus Gaga, black versus agouti, -aa- versus -AA-. Given the hypothetical situation above, the color of 100% of the offspring would be:

  3. 3

    What do we call the -agouti- physical appearance of Rattus Gaga?

  4. 4

    But wait! If Choki has a recessive gene (black) and Gaga has a dominant gene (agouti)… The offspring must have both dominant and recessive gene! What do we call this offspring with -Aa- gene then?

  5. 5

    What do we call the symbol -aa- which represents the genetic constitution of Rattus Choki?

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