WebbEarlobes average about 2 centimeters long, and elongate slightly with age. Although the "free" vs. "attached" appearance of earlobes is often presented as an example of a simple "one gene – two alleles" Mendelian trait in humans, earlobes do not all fall neatly into either category; there is a continuous range from one extreme to the other, suggesting … Webb3 nov. 2024 · Earlobe attachment is a continuous trait: while most earlobes can be neatly categorized as attached or unattached, some are in-between. Advertisement Although some sources say that this trait is controlled by a single gene, with unattached earlobes being dominant over attached earlobes, no published studies support this view.
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Webb25 apr. 2024 · Are attached earlobes a defect? The myth is that earlobes can be divided into into two clear categories, free and attached, and that a single gene controls the trait, with the allele for free earlobes being dominant. Neither part of the myth is true. Earlobes ranging from unattached (upper left) to attached (lower right). WebbThe myth is that earlobes can be divided into into two clear categories, free and attached, and that a single gene controls the trait, with the allele for free earlobes being … old kodi version for windows
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WebbNo, attached earlobes is not a dominant trait in humans. The gene responsible for determining the shape of earlobes is dominant for unattached earlobes, and recessive in the case of attached earlobes. This means that most people will have free ear lobes beause the gene that codes for unattached earlobes is more likely to be inherited than … WebbUnattached earlobes (E) are dominant over attached earlobes (e). a. Homozygous dominant individuals have unattached earlobes. b. Homozygous recessive individuals have attached earlobes. c. Heterozygous individuals have ... Humans inherit 46 chromosomes that occur in 23 pairs. Twenty-two of these pairs are called autosomes … Webb20 maj 2024 · Biology High School answered In humans, detached earlobes are dominant over attached earlobes. Do a Punnett Square between 2 heterozygous people with detached earlobes. Give the genotypic and phenotypic percentages of the offspring. Please Help See answer Advertisement livin2dayoy1txj Answer: The Punnet Square … old knoxville water