Genetics Benchmark Review

Genetics Benchmark Review

Assessment

Flashcard

Science

9th - 12th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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15 questions

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1.

FLASHCARD QUESTION

Front

What is the definition of a dominant trait in genetics?

Back

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

2.

FLASHCARD QUESTION

Front

What does homozygous mean?

Back

Homozygous refers to having two identical alleles for a particular gene, such as AA or aa.

3.

FLASHCARD QUESTION

Front

What is the definition of a recessive trait?

Back

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

4.

FLASHCARD QUESTION

Front

What is a Punnett Square used for?

Back

A Punnett Square is a diagram used to predict the outcome of a genetic cross by showing the possible combinations of alleles.

5.

FLASHCARD QUESTION

Front

What does the genotype XH Xh represent?

Back

The genotype XH Xh represents a carrier female for an X-linked recessive disorder.

6.

FLASHCARD QUESTION

Front

What is the mode of inheritance for traits that appear in every generation?

Back

The mode of inheritance is dominant, as the trait shows up in every generation.

7.

FLASHCARD QUESTION

Front

What is the probability of an offspring being purple if both parents are homozygous dominant (PP)?

Back

100% probability of being purple.

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