Final EXAM REVIEW

Final EXAM REVIEW

Assessment

Flashcard

Biology

9th Grade

Hard

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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 genotype is represented by 'tt'?

Back

The genotype 'tt' represents a homozygous recessive trait.

3.

FLASHCARD QUESTION

Front

What is the role of mRNA in genetics?

Back

mRNA (messenger RNA) copies the genetic instructions from DNA and carries them to the ribosome for protein synthesis.

4.

FLASHCARD QUESTION

Front

What is the function of the cell wall?

Back

The cell wall provides structural support and protection to the cell, and is found outside the cell membrane in plant cells.

5.

FLASHCARD QUESTION

Front

What organelle is known as the powerhouse of the cell?

Back

The mitochondria are known as the powerhouse of the cell because they are responsible for producing energy through cellular respiration.

6.

FLASHCARD QUESTION

Front

What does it mean if a trait is controlled by a dominant allele?

Back

If a trait is controlled by a dominant allele, it means that only one copy of the dominant allele is needed for the trait to be expressed.

7.

FLASHCARD QUESTION

Front

What is the difference between dominant and recessive alleles?

Back

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

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