Punnett Square Practice

Punnett Square Practice

Assessment

Flashcard

Biology

9th Grade

Practice Problem

Hard

Created by

Wayground Content

FREE Resource

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16 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 genetic makeup of offspring from a cross between two 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 the genotype of a homozygous recessive organism?

Back

The genotype of a homozygous recessive organism is represented as 'aa'.

5.

FLASHCARD QUESTION

Front

What is the phenotype of a homozygous dominant organism?

Back

The phenotype of a homozygous dominant organism is the dominant trait, such as tallness in pea plants (T).

6.

FLASHCARD QUESTION

Front

If a homozygous tall plant (TT) is crossed with a homozygous short plant (tt), what are the expected offspring genotypes?

Back

All offspring will be heterozygous tall (Tt).

7.

FLASHCARD QUESTION

Front

What is the expected genotype ratio from a cross between two heterozygous plants (Tt x Tt)?

Back

The expected genotype ratio is 1 TT : 2 Tt : 1 tt.

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