Table of Contents
- 1 What are examples of single gene traits?
- 2 What are some examples of pea plants hereditary traits?
- 3 What are three examples of dominant pea plant alleles?
- 4 Which trait is controlled mainly by one gene?
- 5 What was Mendel’s experiment with pea plants?
- 6 What is an incomplete dominant gene?
- 7 What is a single allele trait example?
What are examples of single gene traits?
For example, skin color and height are determined by many genes. Some phenotypes however, are determined by a single gene. We will explore some of these single gene traits in the laboratory….
- Interlocking fingers. Interlock fingers.
- Ear lobes.
- Widow’s peak.
- Tongue curling.
- Hitch hiker’s thumb.
- Pigmented iris.
- PTC tasting.
What are some examples of pea plants hereditary traits?
He studied the inheritance of seven different features in peas, including plant height (tall or dwarf), flower color (purple or white), flower position (axial or terminal), seed color (green or yellow), seed shape (round or wrinkled), Pod shape (constricted or inflated) and Pod color (green or yellow).
What are three examples of dominant pea plant alleles?
Mendel’s experiment itself has 7 characteristics which he worked on. Examples of dominant alleles in pea plant (Pisum sativum) are Red flower over White, Round seed over wrinkled, Axial position of flower instead of Terminal, etc.
What is the example of incomplete dominance?
When one parent with straight hair and one with curly hair have a child with wavy hair, that’s an example of incomplete dominance. Eye color is often cited as an example of incomplete dominance.
What is single gene trait?
Single gene disorders are caused by DNA changes in one particular gene, and often have predictable inheritance patterns. Over 10,000 human disorders are caused by a change, known as a mutation?, in a single gene?. These are known as single gene disorders.
Which trait is controlled mainly by one gene?
Traits controlled by a single gene with more than two alleles are called multiple allele traits. An example is ABO blood type. There are three common alleles for this trait, which can be represented by the letters A, B, and O. As shown in Table below, there are six possible ABO genotypes but only four phenotypes.
What was Mendel’s experiment with pea plants?
Gregor Mendel, through his work on pea plants, discovered the fundamental laws of inheritance. He deduced that genes come in pairs and are inherited as distinct units, one from each parent. Mendel tracked the segregation of parental genes and their appearance in the offspring as dominant or recessive traits.
What is an incomplete dominant gene?
Incomplete dominance occurs in the heterozygote, in which the dominant allele does not dominate the recessive allele entirely; rather, an intermediate trait appears in the offspring. The offspring do not show the parental phenotype. The offspring shows both parental phenotypes.
Which trait is an example of incomplete dominance in humans quizlet?
Common Disorders: Sickle cell anemia is a disease that affects the formation of red blood cells in humans. This is an example of incomplete dominance in humans, as the normal blood type and sickled cell blood type are expressed simultaneously.
What is an example of a genetic trait?
Examples are height, skin color, hair color, and eye color of humans. The traits are determined not by a single gene but by multiple genes.
What is a single allele trait example?
Definition of an Allele When certain traits are determined by only one gene, they’re called single gene traits. A common example of this is attached earlobes. Humans can either have attached earlobes that connect to the side of the head or they can have unattached earlobes.