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madreJ [45]
3 years ago
14

A hypothetical flowering plant produces blue, light blue, and white flowers. To determine the inheritance pattern, the following

crosses were conducted with the results indicated:
blue x blue * all blue
white x white all white
blue x white * all light blue
What type of inheritance pattern does this represent?

a. simple Mendelian
b. X-Iinked
c. codominance
d. incomplete dominance
e. pleiotropy
Biology
1 answer:
olasank [31]3 years ago
4 0

Answer:

d. incomplete dominance

Explanation:

When none of the alleles of a particular locus completely masks the expression of the other allele of the same gene, it is called incomplete dominance. If the allele B gives "blue" phenotype and allele b gives white phenotype, a cross between blue (BB) and white (bb) parents would produce all the progeny with genotype Bb. Since the allele B does not completely prevent the expression of allele b in the heterozygous condition, the phenotype of the F1 hybrids would be "light blue". Therefore, it is an example of incomplete dominance.

blue (BB) x blue (BB) = all blue (BB)

white (bb) x white (bb)= all white (bb)

blue (BB) x white (bb)= all light blue (Bb)

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Answer:

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2. Myasthenia gravis: This is a disease is occurs due to the breakdown of a neurotransmitter called Acetylcholine. This results in the loss of strength in the muscles of the body. This disease can only be managed through the usage of drugs and therapy, it cannot be cured.

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5. Bell palsy : It can also be referred to as unilateral facial paralysis. It is a disease whereby one side of the face is paralysed and weakened. Bell palsy causes the side of the face to fall or become droopy. Bell palsy can be managed through the usage of drugs, and therapy.

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