Pedigree Charts

Pedigree Charts

Assessment

Flashcard

Biology

10th Grade

Practice Problem

Easy

Created by

Wayground Content

Used 1+ times

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a pedigree chart?

Back

A pedigree chart is a diagram that shows the occurrence and appearance of phenotypes of a particular gene or organism and its ancestors, used to analyze the inheritance of traits.

2.

FLASHCARD QUESTION

Front

What does it mean if a trait is dominant?

Back

A dominant trait is one that is expressed in the phenotype even when only one copy of the allele is present.

3.

FLASHCARD QUESTION

Front

What does it mean if a trait is recessive?

Back

A recessive trait is one that is only expressed in the phenotype when two copies of the allele are present.

4.

FLASHCARD QUESTION

Front

What is the genotype for an individual with Huntington's Disease?

Back

The genotype can be either HH (homozygous dominant) or Hh (heterozygous), as it is a dominant trait.

5.

FLASHCARD QUESTION

Front

In a pedigree chart, what does a filled shape represent?

Back

A filled shape represents an individual who expresses the trait being studied.

6.

FLASHCARD QUESTION

Front

In a pedigree chart, what does an unfilled shape represent?

Back

An unfilled shape represents an individual who does not express the trait being studied.

7.

FLASHCARD QUESTION

Front

What does a horizontal line between two shapes indicate in a pedigree chart?

Back

A horizontal line indicates a marriage or mating between two individuals.

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