Amanda N. Wavrin Week 2

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Objective

• We are determining how color is inhertited in these test flowers.
• We are working with a single gene system.
• Alleles are versions of genes.

observations

• When crossing a pure-breeding green (Green-1) flower with a pure-breeding white flower all of the off spring were green. This would indicate that green is dominant.
• When I self crossed one of the previous off spring flowers, it resulted in 19 green flowers and 7 whte flowers. This shows that self crossed flower was heterzygous. When I repeated this cross a second time, it resulted in 4 white flowers and 15green flowers.
• When I continued to mutate one of the white flowers(2-9), all of the off spring were white.
• I mutated a white flower (2-21) again and it resulted in all white off spring.
• I mutated a white flower (2-2), resulted in all white off spring.
• I mutated a white flower (2-14)for the fourth time, resulted in all white off spring.
• When I mutated white flower 2-17 the results were 14 white flowers, one mutant yellow flower and one mutnatred flower.
• When I crossed the Yellow and Red mutants, it resulted in 6 orange mutants, 10 White, 8 Red, and 4 Yellow. When I repeated this cross, it resulted in 4 Yellow mutants, 4 Red, 7 orange, and 5 White.
• Crossed Green-2 and Mutated red, resulted in 7 Purple, 9 Orange, 8 Yellow, 4 Blue.
• When self crossed purple flower, resultd in 9 purple flowers,5 red flowers, 5 blue flowers.
• Self crossed another purple flower, resulted in 9 purple flowers, 8 blue flowers,8 red.
• Crossed Blue and Purple, resulted in 10 purple, 14 blue.
• Crossed purple and Gree2, resulted in 9 Purple, 4 Blue,3 Orange, 4 Green.
• Crossed orange and white, resulted in 13 Orange, 7 red.
• Self crossed blue, all blue off spring. Repeated.
• Crossed two Blue, all blue off spring. Repeated.
• Self cross green2- result in blue, yellow, and green. Codominance.
• Crossed Green1 and Red, resulted in 15 black flowers and 7 green flowers.

Answers to Aipotu Genetics Questions

A) Phenotypes and Corresponding Genotypes

• These are the different alleles: Cg, Cw, Cr, Cb, Cy. Different combinations of the alleles produce different colors:
• Green1- CgCg
• White- CwCw
• Red- CrCr
• Blue- CbCb
• Orange- CrCy
• Yellow- CyCy
• Purple- CrCb
• Black- CrCg
• Green2- CyCb

B)*Green1 is dominant to blue

• Green1 is dominant to white
• Green1 is dominant to gree2
• Green1 is dominant to yellow
• Green1 is dominant to red
• White is recessive

C) Table of colors produced by allelic combinations