In C. elegans (worm), dark skin (D) is dominant to colorless (d). Researchers recently discovered a recessive long-lived mutant (g) named “granny” for the grandmother in the Beverly Hills. A cross between a female dark normal-life span worm to a male colorless granny, produced the following offspring:

Dark skin, granny 42

Colorless skin, normal life 38

Dark skin, normal life 21

Colorless skin, granny 19

For the female parent, draw the chromosomes as they would appear in metaphase I of meiosis. Show the arrangement and relative positions (distance) of these genes that would fit these data. Label EVERY COPY of each gene. .

Answer rating: 100% (QA)

Answer The cross seems to be testcross Expected testcross progeny would be 1111 ra... View the full answer