Dominant traits and recessive traits

    • [DOC File]GENETIC DISORDERS AND PEDIGREES

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      In people, some dominant traits are curly hair, an unattached or "free" ear lobe, brown eye color, or a widow's peak on the forehead. Some examples of recessive traits are straight hair, an attached ear lobe, blue eye color, or a straight hairline on the forehead. 9     In humans, many easily observable traits are inherited.

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    • [DOC File]TRAIT LAB

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      Dominant Trait #3. Recessive Trait #4. Your Phenotype #5 . Your Genotype Individuals with short index fingers have the dominant gene. Those with long index fingers have the recessive gene. Place your hands on the lab counter, palms down. Check to see how long your index finger is compared to your middle finger.

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    • [DOC File]Dominant and Recessive Practice Problems

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      If your right thumb is on top, you have the recessive trait Thiourea – a dominant trait – place a slip of Thiourea on your tongue. If you taste something strong and bitter, you are a taster (dominant). If you taste “paper”, you are not a taster and are recessive.

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    • [DOC File]Genetic Traits- Lab Worksheet

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      Dominant alleles mask the expression of recessive ones. Co-dominant alleles are written as uppercase letters with a subscript. Co-dominant alleles result in a phenotype that is blended. 4) Repeat steps 1, 2, and 3 for all traits and then draw, color, and name your creation.

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    • [DOC File]What Are Dominant and Recessive Traits

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      Lab: Dominant and Recessive Traits Name _____ Directions: Check off in the table below whether you inherited the dominant (D) or recessive (R) gene for the following genetic traits. 1. Tongue rolling: The ability to roll the tongue outside the mouth is due to a dominant trait. 2. Eye color: Although eye color is quite complex, assume that blue ...

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    • Lab: Dominant and Recessive Traits

      Dominant traits dilute recessive traits with each successive generation. Co-Dominant Genes. Co-dominant traits show up when the child has the same trait in each hand but also shows up when the child has only one trait in one hand and a different one in the other. The child which holds only one trait looks different to the child which holds both.

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    • Dominant and Recessive Traits in Humans - Biology Wise

      Pure Traits. Pure traits can be either recessive or dominant. Pure traits . may have two dominant genes or two recessive genes. For example, a pea plant may have two genes for tallness, which is dominant trait in pea plants. This plant is homozygous plant with a pure dominant trait for tallness. All of the offspring from this plant will be tall.

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    • [DOC File]Human dominant & Recessive Traits Activity

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      The gene for normal hearing is recessive while the gene for deafness is dominant. A hearing woman is planning to marry a deaf man who is heterozygous for the trait. List the genotypic ratio and phenotypic ratio of their possible children. What is the chance that she will have a child who is deaf? An Albino marries a normal pigmented person.

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    • [DOC File]Human Trait Activity

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      When determining if an autosomal trait is dominant or recessive… 1. Dominant traits only require one allele to outwardly express the trait. a. Dominant traits are often present in every generation. b. If a child is affected, at least one parent must be affected. 2. Recessive traits require two alleles to outwardly express the trait.

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