Introduction to Morgan's Experiments

Q.

In the fruitfly, red eye colour is ___________ _____ white eye colour.

1. Recessive to

2. Codominant with

3. Dominant over

4. Suppressed by

Q. The regulation of gene expression is more complex in eukaryotic cells because the:

1. Inhibitory or activating molecules may not help to regulate transcription.
2. Gene expression differentiates specialised cells.
3. Operons are controlled by more than one promoter region.
4. The chromosomes are linear and more numerous.

Q.

In the fruitfly, red eye colour is ___________ _____ white eye colour.

1. Recessive to

2. Codominant with

3. Dominant over

4. Suppressed by

Q. The regulation of gene expression is more complex in eukaryotic cells because the:

1. Inhibitory or activating molecules may not help to regulate transcription.
2. The chromosomes are linear and more numerous.
3. Operons are controlled by more than one promoter region.
4. Gene expression differentiates specialised cells.

Q.

The model organism that T.H. Morgan used in his genetic studies was

1. Pisum sativum

2. Lathyrus odoratus

3. Mirabilis jalapa

4. Drosophila melanogaster