A pure-breeding fruit fly with curled wings mates with a pure-breeding fruit fly with normal (straight) wings. The F1 mate with each other to produce an F2 generation that consists of 160 flies with curled wings and 80 with straight wings. What can you infer from this observation?

A) Curled wings is a recessive trait.
B) The dominant curled wing allele is also a recessive lethal.
C) Wing shape is controlled by two codominant alleles.
D) Two interacting genes determine wing shape.
E) All of the hybrid F1 flies had straight wings.


B) The dominant curled wing allele is also a recessive lethal.

Biology & Microbiology

You might also like to view...

Certain anticancer drugs change patterns of gene expression and have created a new and effective treatment for ____________________

Fill in the blank(s) with correct word

Biology & Microbiology

Habitat fragmentation increases the breeding success of a species

Indicate whether the statement is true or false

Biology & Microbiology

The connective tissue covering of the kidney is the

A. renal pelvis. B. renal fat pad. C. renal pyramid. D. renal capsule. E. renal sinus.

Biology & Microbiology

In making an active prediction it is advantageous for the relationship being predicted to be of what sort?

A. Unbiased B. Efficient C. Confounding D. Causal

Biology & Microbiology