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Mendelian genetics and punnett squares. Need help ASAP! 1. Using \"L\" for the d

ID: 187724 • Letter: M

Question

Mendelian genetics and punnett squares. Need help ASAP!

1. Using "L" for the dominant allele for a long stemmed plant and "" for the recessive allele for short stemmed plants, determine the genotype of a short stemmed plant. Using "L" for the dominant allele for a long stemmed plant and "I" for the recessive allele for short stemmed plants, determine the genotype of a heterozygous long stemmed plant 2. Make a Punnett Square for the cross of the short stemmed plant with the heterozygous long stemmed plant. 3. 4. List the different genotypes of the offspring. 5, what are the phenotypes for each of the genotypes in #47 6, what percent of the plants will be each of the phenotypes listed in #5? 7. If 28 plants are produced, how many will be of each phenotype?

Explanation / Answer

L = Dominant allele

LL or Ll = Long

l = Recessive allele

ll = Short

Short-stemmed plant = ll

Heterozygous long-stemmed plant = Ll

Cross of a short-stemmed plant with the heterozygous long-stemmed plant:

ll X Ll

Progeny genotypes: Ll ll

Phenotypes: Ll = long (50% = 14 plants out of 28) and ll = short (50% = 14 plants out of 28).