Genetics Exam Review

Genetics Exam Review

Assessment

Flashcard

Biology

9th 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 does 'T' and 't' represent in genetics?

Back

T represents the dominant allele for tallness, while t represents the recessive allele for shortness.

2.

FLASHCARD QUESTION

Front

What is a Punnett square used for?

Back

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

3.

FLASHCARD QUESTION

Front

What is a homozygous genotype?

Back

A homozygous genotype has two identical alleles for a trait, such as AA or aa.

4.

FLASHCARD QUESTION

Front

What is a heterozygous genotype?

Back

A heterozygous genotype has two different alleles for a trait, such as Aa.

5.

FLASHCARD QUESTION

Front

What is the difference between dominant and recessive alleles?

Back

Dominant alleles express their trait even when only one copy is present, while recessive alleles require two copies to express their trait.

6.

FLASHCARD QUESTION

Front

What is a dihybrid cross?

Back

A dihybrid cross involves two traits being studied simultaneously, typically represented in a 4x4 Punnett square.

7.

FLASHCARD QUESTION

Front

What is a mutation?

Back

A mutation is a change in the DNA sequence that can lead to changes in traits.

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