What do circles represent in a pedigree?

In a pedigree, a circle represents a female, and a square represents a male. A filled-in circle or square shows that the individual has the trait being studied. The horizontal line that connects a circle and a square represents a marriage.

What do the circles represent on a pedigree quizlet?

What do the circles represent on a pedigree? A circle represents a femal. How do you know a pedigree shows a recessive or dominant trait? The trait is recessive, if the trait skips a generation.

What does a filled-in shape mean on a pedigree?

Inheritance of a trait through generations can be shown visually using a pedigree, such as is pictured in Figure 3. Square shapes represent males; circles represent females. Filled-in shapes are individuals that have whatever trait is being shown in the pedigree.

What is the purpose of a pedigree?

A pedigree can be used to determine disease inheritance patterns within a family. Standard pedigree nomenclature. Common symbols are used to draw a pedigree (family tree). A pedigree shows relationships between family members and patterns of inheritance for certain traits and diseases.

How many generations are shown in this pedigree?

(7.4) Pedigree flashcards

A B
How many generations are shown on this pedigree?, 3 generations are shown.
Which individual is a female affected by the trait of interest?, I-2 is the affected female.
Which individual is a male affected by the trail of interest?, III-2 is the affected male.
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What does a triangle mean in terms of a pedigree?

A triangle is used for any pregnancy not carried to term. … Pregnancy (P), Stillbirth (SB), Spontaneous abortion (SAB), Termination of pregnancy (TOP), Ectopic pregnancy (ECT).

What is a half shaded circle called?

What is a half shaded circle called? In geometry, the half circle is referred to as the semicircle.

Family heirloom