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A single gene trait that has two alleles and that shows a simple dominant recessive pattern will result in?
A 3:1 phenotypic ratio (Mendelian inheritance).
Why do sex-linked trait follow different pattern of inheritance than other traits?
males and females have different sex chromosomes
Which term describes an observed pattern in nature without any attempt to explain it?
scientific law
What describes a pattern or event in nature that is always true?
The answer is -Scientific law-
Was the first person to see the pattern in the inheritance of traits?
Gregor Mendel
Is the inheritance pattern of the BRCA1 gene dominant or recessive?
The inheritance pattern of the BRCA1 gene is dominant.
What is A pattern of inheritance in which neither allele is phenotypically dominant to the other?
incomplete dominance
Alleles that are neither dominant nor recessive produce an inheritance pattern known as .?
codominace
Pattern of inheritance in which both alleles contribute to the phenotype of the organism?
The pattern of inheritance in which both alleles contribute to the phenotype of the organism is codominance. For example white and red hair color in cattle. Black and white feather color in certain chickens.
Was achondroplasia one example of autosomal inheritance pattern?
Yes, achondroplasia is an example of an autosomal dominant inheritance pattern. This means that only one copy of the mutated gene needs to be inherited to display the condition.
What type of inheritance that involves one dominant allele and one recessive allele is called?
The type of inheritance that involves one dominant allele and one recessive allele is called simple Mendelian inheritance or complete dominance. In this pattern, the phenotype of the organism will display the trait associated with the dominant allele, while the recessive allele's effects are masked when both alleles are present. An example of this is the inheritance of flower color in pea plants, where purple (dominant) flowers mask the expression of white (recessive) flowers.
What does dominant pedigree means?
A dominant pedigree refers to a pattern of inheritance in which a dominant allele on a gene is expressed in the phenotype of an individual, masking the effects of a recessive allele. This results in the dominant trait being exhibited in individuals who inherit at least one copy of the dominant allele.
Is hirschsprung's disease dominant or recessive?
Hirschsprung's disease is typically non-Mendelian in inheritance, meaning it does not follow a simple dominant or recessive pattern. It is commonly associated with complex inheritance involving multiple genetic and environmental factors.
What is the genotype of the mother in the Huntington disease having a dominant of DD or Dd inheritance pattern?
In Huntington's disease, which follows a dominant inheritance pattern, the mother's genotype could either be homozygous dominant (DD) or heterozygous (Dd). If she has the disease, she must have at least one dominant allele, so her genotype cannot be homozygous recessive (dd). Therefore, her possible genotypes are DD or Dd, which both indicate she has the potential to pass the disease on to her offspring.
What type of inheritance pattern (are the A and B alleles to each other (Autosomal dominant-Regular dominant-recessive relationship, X linked, co-dominant, incomplete dominant)?
Incomplete dominance
Why is incomplete dominance considered an exception to Mendel's principles of inheritance?
Incomplete dominance is considered an exception to Mendel's principles of inheritance because it results in a blending of traits, rather than the dominant trait completely masking the recessive trait as seen in Mendelian genetics. This leads to a unique inheritance pattern where neither allele is fully dominant, breaking the traditional rules of dominant and recessive traits established by Mendel.
What is the pattern of heredity shown in the transparency?
The pattern of heredity shown in the transparency is most likely a familial inheritance pattern, where certain traits or genetic conditions are passed down through generations within a family. Examples of familial inheritance patterns include autosomal dominant or recessive inheritance, X-linked inheritance, or mitochondrial inheritance. These patterns help geneticists and researchers understand how genetic traits are transmitted from parents to offspring.
