Unit 4 - Genetics Test Corrections

Unit 4 - Genetics Test Corrections

Assessment

Flashcard

Biology

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 an allele?

Back

An allele is one form of a gene that can exist at a specific locus on a chromosome.

2.

FLASHCARD QUESTION

Front

What is the phenotype of an organism?

Back

The phenotype is the observable physical or biochemical characteristics of an organism, determined by both genetic makeup and environmental influences.

3.

FLASHCARD QUESTION

Front

What is the difference between homozygous and heterozygous genotypes?

Back

Homozygous genotypes have two identical alleles for a trait, while heterozygous genotypes have two different alleles for a trait.

4.

FLASHCARD QUESTION

Front

What is incomplete dominance?

Back

Incomplete dominance is a type of inheritance where the traits of two alleles blend together in the phenotype of the offspring.

5.

FLASHCARD QUESTION

Front

What is co-dominance?

Back

Co-dominance is a type of inheritance where both alleles in a heterozygote are fully expressed, resulting in a phenotype that shows both traits.

6.

FLASHCARD QUESTION

Front

What is a Punnett square?

Back

A Punnett square is a diagram used to predict the genotypes of offspring from a genetic cross.

7.

FLASHCARD QUESTION

Front

What does it mean for a trait to be dominant?

Back

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

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