Punnett square practice

Punnett square practice

Assessment

Flashcard

Science

7th 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 a Punnett square?

Back

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

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 does heterozygous mean?

Back

Heterozygous refers to having two different alleles for a particular gene, such as Aa.

4.

FLASHCARD QUESTION

Front

What is a dominant allele?

Back

A dominant allele is an allele that expresses its trait even when only one copy is present (e.g., T in Tt).

5.

FLASHCARD QUESTION

Front

What is a recessive allele?

Back

A recessive allele is an allele that only expresses its trait when two copies are present (e.g., tt).

6.

FLASHCARD QUESTION

Front

In a genetic cross, what does the letter 'T' typically represent?

Back

The letter 'T' typically represents a dominant trait, such as tallness in plants.

7.

FLASHCARD QUESTION

Front

In a genetic cross, what does the letter 't' typically represent?

Back

The letter 't' typically represents a recessive trait, such as shortness in plants.

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