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Reil [10]
3 years ago
10

_______ are the ultimate cause of alleles.

Biology
2 answers:
nata0808 [166]3 years ago
8 0
I believe the correct answer is a. mutations. 
Mazyrski [523]3 years ago
3 0

Answer:

Option A, Mutation

Explanation:

Mutation can cause the variation in a defined genetic set of an organism there by producing allele of varied types. However an allele is a variant gene. For example

A male flower has following allele – WW (representing dominant white color flower)

A female flower has following allele – ww (representing recessive blue color flower)

If these two flower mutate either through natural processes or though the mating, new species of flower with a different and unique genotype (allele set) is formed

for example a grey color flower with unique allele set - Ww

Alleles are carried on chromosome which expresses certain trait, variation in genotype also brings variation in allele's trait expression.

Hence, option A is correct

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Explanation:

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The dominant allele is D and causes dimples and the recessive allele is d and causes no dimples. How would a geneticist describe
SSSSS [86.1K]

A geneticist describes the phenotype of an individual with the alleles dd as homo-zygous recessive. In heterozygous individuals, it is masked by the dominant allele.

<h3>Dominant and recessive alleles</h3>

In diploid organisms, an individual receives two gene forms or 'alleles' for the same gene locus.

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In cases of complete dominance, the dominant allele completely masks the recessive allele in heterozygous individuals.

Learn more about recessive alleles here:

brainly.com/question/844145

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