Dihybrid Cross 10.2

Dihybrid Cross 10.2

Assessment

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Biology

9th - 12th Grade

Hard

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15 questions

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1.

FLASHCARD QUESTION

Front

What is a dihybrid cross?

Back

A dihybrid cross is a genetic cross that examines the inheritance of two different traits, each represented by two alleles.

2.

FLASHCARD QUESTION

Front

What are the possible genotypes of the parents in a dihybrid cross?

Back

The possible genotypes can include combinations of homozygous and heterozygous alleles for both traits, such as YyRr, YYRR, etc.

3.

FLASHCARD QUESTION

Front

What is the phenotypic ratio expected from a dihybrid cross?

Back

The expected phenotypic ratio from a dihybrid cross is 9:3:3:1.

4.

FLASHCARD QUESTION

Front

What does homozygous mean?

Back

Homozygous refers to having two identical alleles for a particular gene, either dominant or recessive.

5.

FLASHCARD QUESTION

Front

What does heterozygous mean?

Back

Heterozygous refers to having two different alleles for a particular gene.

6.

FLASHCARD QUESTION

Front

What is the significance of the Punnett square in genetics?

Back

The Punnett square is a tool used to predict the genotypes and phenotypes of offspring from a genetic cross.

7.

FLASHCARD QUESTION

Front

How many different gametes can be produced by a dihybrid organism with genotype YyRr?

Back

A dihybrid organism with genotype YyRr can produce four different gametes: YR, Yr, yR, and yr.

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