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In the family tree people with recessive trait of attached earlobes are shredded gray?
In a family tree, individuals with the recessive trait of attached earlobes are typically represented in gray to indicate that they express this trait, which requires two copies of the recessive allele. In contrast, individuals with free-hanging earlobes, a dominant trait, would be represented in a different color, such as black. This visual representation helps to easily identify the inheritance patterns of the traits within the family. Consequently, tracing the gray individuals can provide insights into the genetic makeup of the family regarding the earlobe trait.
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In the family tree below people with the recessive trait of attached earlobes are shaded gray. What must be true about the person labeled A?
Person A must carry at least one dominant allele for unattached earlobes, as they are not shaded gray and therefore do not express the recessive trait of attached earlobes. If A had two recessive alleles, they would exhibit the attached earlobe trait. Additionally, A could be homozygous dominant or heterozygous for the trait, meaning they might have a parent or sibling with attached earlobes as a result of inheriting the recessive allele.
Is a counterclockwise hair whorl dominant or recessive?
There is no simple dominant or recessive pattern for hair whorl direction. It is influenced by multiple genetic factors and can be different among individuals in the same family.
If the allele for having a white forelock is dominant family members WITHOUT a white forelock are?
Family members without a white forelock must possess two recessive alleles for that trait, as the white forelock is dominant. This means they can only pass on the recessive allele to their offspring, ensuring that none of their children will have a white forelock unless the other parent contributes a dominant allele. In genetic terms, these family members are homozygous recessive for the trait.
Is leukemia a dominant or recessive gene?
It depends on the family but I assume that its a recessive gene.
Is allergic rhinitis dominant or recessive?
Allergic rhinitis is not inherited in a simple Mendelian dominant or recessive pattern. It is a complex trait influenced by multiple genetic and environmental factors. Family history can increase the risk of developing allergic rhinitis, but it is not determined by a single gene with dominant or recessive inheritance.
In the family tree below people with the recessive trait of attached earlobes are shaded gray. What must be true about the person labeled A?
Person A must carry at least one dominant allele for unattached earlobes, as they are not shaded gray and therefore do not express the recessive trait of attached earlobes. If A had two recessive alleles, they would exhibit the attached earlobe trait. Additionally, A could be homozygous dominant or heterozygous for the trait, meaning they might have a parent or sibling with attached earlobes as a result of inheriting the recessive allele.
In the family tree below people with the recessive trait of attached earlobes are shaded gray.?
a male with one recessive allele
How does pseudodominant inheritance manifest in genetic traits within a family?
Pseudodominant inheritance occurs when a recessive trait appears to be dominant in a family due to both parents carrying the recessive gene. This can lead to the trait being passed down to offspring, even though it is recessive.
What is a sentence for recessive trait?
Althought the diabetes skipped many generations in my family, it was apparently a recessive trait because the newborn was diagnosed with the disease.
Is being hairy a dominant or recessive gene?
Hairiness is determined by multiple genes and can be influenced by a combination of both dominant and recessive genes. The presence or absence of body hair can be inherited in a complex manner, making it difficult to categorize as strictly dominant or recessive.
What are some examples of recessive traits?
If you have 2 parents which have a history of brown eyes in their family and you got blue eyes this would be considered a recessive trait.
How can use recessive trait in a sentence?
Althought the Diabetes skipped many generations in my family, it was apparently a recessive trait because the newborn was diagnosed with the disease.
How can you use recessive trait in a sentence?
Althought the diabetes skipped many generations in my family, it was apparently a recessive trait because the newborn was diagnosed with the disease.
Is a counterclockwise hair whorl dominant or recessive?
There is no simple dominant or recessive pattern for hair whorl direction. It is influenced by multiple genetic factors and can be different among individuals in the same family.
What are some common challenges faced when analyzing autosomal recessive pedigree problems?
Some common challenges when analyzing autosomal recessive pedigree problems include incomplete family medical history, consanguinity within the family, small family size, and the presence of other genetic disorders that may complicate the analysis.
If the allele for having a white forelock is dominant family members WITHOUT a white forelock are?
Family members without a white forelock must possess two recessive alleles for that trait, as the white forelock is dominant. This means they can only pass on the recessive allele to their offspring, ensuring that none of their children will have a white forelock unless the other parent contributes a dominant allele. In genetic terms, these family members are homozygous recessive for the trait.
Is leukemia a dominant or recessive gene?
It depends on the family but I assume that its a recessive gene.
