Orchid Genes This activity will help you meet these educational goals:
• You will apply scientific principles to explain phenomena and solve design problems.
• You will reason abstractly and quantitatively.
. You will make sense of problems and work to solve them.
Directions
Read the instructions for this self-checked activity. Type in your response to each question, and check your answers. At the
end of the activity, write a brief evaluation of your work.
Activity
Read the article "A Protein Battle Underlies the Beauty of Orchids e," and then answer the following questions.
Part A
How does the shape of orchids relate to gene expression?

Long term continuous groundwater monitoring, especially with warning systems and anthropic activity monitors

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The answer would be c, white eyes are homozygous recessive. in the early 1900s, morgan conducted several experiments with vinegar  flies (drosophila). one  sample revealed an anomaly: a  white-eyed, single male fly. he attempted to breed this fly with the typical red-eyed females. the offspring were all red-eyed. using flies from this new generation (brother-sister pairs)  produced some red-eyed and a few white-eyed flies. the white-eyed were all male. in later experiments, he was able to produce white-eyed females. this proved that white eyes are not lethal to either sex (ruling out a and b). since the percentage of white eyes to red eyes is so low, white eyes are not a dominant trait. it would be a recessive trait.