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Meiosis Phases

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Questions and Answers

What is the fundamental genetic building block in humans and all other life?

RNA

Chromosome

Gene

DNA (correct)

What is the result when an organism has one dominant gene and one recessive gene?

The recessive gene is expressed

Neither gene is expressed

Both genes are equally expressed

The dominant gene is expressed (correct)

What is the purpose of DNA replication?

To create new cells (correct)

To create chromosomes

To create proteins

To create RNA

What is unique about the structure of RNA compared to DNA?

RNA is single-stranded Signup and view all the answers

What do the four molecules in DNA pair up as?

Adenine with thymine and guanine with cytosine Signup and view all the answers

How many copies of each gene do people typically have?

Two Signup and view all the answers

What role does mRNA play in the process of protein synthesis?

It serves as a messenger between DNA and the ribosomes Signup and view all the answers

What is the function of tRNA in protein synthesis?

It reads the code in mRNA and transfers the appropriate amino acids Signup and view all the answers

What is the result of a mutation in a gene sequence?

A protein with the incorrect amino acid sequence Signup and view all the answers

What is the relationship between chromosomes and genes?

Chromosomes are bundles of DNA, and genes are segments of DNA that code for proteins Signup and view all the answers

What is the process of creating a strand of mRNA from DNA called?

Transcription Signup and view all the answers

Who discovered the laws of heredity while studying pea plants?

Johann Gregor Mendel Signup and view all the answers

What is the result of the two divisions of meiosis?

Four genetically different gametes Signup and view all the answers

What is the function of a gene in DNA?

To code for a specific protein Signup and view all the answers

What is the number of chromosomes in a human cell?

46 chromosomes Signup and view all the answers

What is the purpose of heredity?

To pass on genetic information from parent to child Signup and view all the answers

During which stage of meiosis do the chromosomes separate?

Telophase I Signup and view all the answers

What is the purpose of DNA in chromosomes?

To carry the genetic code Signup and view all the answers