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Study with Quizlet and memorize flashcards containing terms like recessive trait, genotype, dominant trait and more.
A genetic trait is considered dominant if it is expressed in a person who has only one copy of the gene associated with the trait. Recessive trait. a genetic factor that is blocked by the presence of a dominant factor. Study with Quizlet and memorize flashcards containing terms like Gene, Allele, Trait: and more.
Trait. Every trait has two genes, one from each parent. (For each trait such as eye color and hair color) Dominant. Stronger or overpowers the recessive, it shows up, and we represent it with a capital letter. Recessive. Weaker genes, hidden, and represented with a lower case letter.
28 kwi 2017 · A recessive trait is a trait that is expressed when an organism has two recessive alleles, or forms of a gene. Traits are characteristics of organisms that can be observed; this includes physical characteristics such as hair and eye color, and also characteristics that may not be readily apparent, e.g. shape of blood cells.
Review Questions. 1. What is required for a recessive trait to be expressed in an organism? 2. How did Gregor Mendel's experiments contribute to our understanding of recessive traits? 3. Can a person carry a recessive trait without expressing it? Explain why or why not.
31 lip 2022 · The child in the photo expresses albinism, a recessive trait. Mendel’s law of dominance states that in a heterozygote, one trait will conceal the presence of another trait for the same characteristic.
28 kwi 2017 · A recessive gene is only expressed when an organism has two recessive alleles for that gene. This is also known as being homozygous recessive. If an organism has one dominant and one recessive allele, it will show the dominant trait.
