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General Genetics (BIO2212023) - Introduction to Genetics Lecture 1

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General Genetics (BIO2212023) - Introduction to Genetics Lecture 1

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Questions and Answers

What is genetics?

The study of weather patterns

The study of how traits are passed from parent to offspring (correct)

The study of plant biology

The study of human anatomy

What is a gene?

A segment of RNA that determines a trait

A segment of carbohydrate that determines a trait

A segment of DNA that determines a trait (correct)

A segment of protein that determines a trait

What is a phenotype?

The observable physical appearance of an organism (correct)

The combination of genes an organism has

The internal environment of an organism

The general health status of an organism

What is the function of chromatids?

To store genetic information in the chromosome (C) Signup and view all the answers

Which term describes the combination of genes an organism has?

Genotype (D) Signup and view all the answers

What is the difference between genotype and phenotype?

Genotype refers to genetic makeup, while phenotype refers to outward appearance (D) Signup and view all the answers

What is the trait being discussed in the example?

Height (D) Signup and view all the answers

Which type of cells have membrane-bound organelles like mitochondria and chloroplasts?

Eukaryotes (D) Signup and view all the answers

What is the genetic material for both eukaryotes and prokaryotes?

DNA (D) Signup and view all the answers

Which organisms are often used as model organisms for genetic experimentation?

Many different species (B) Signup and view all the answers

What is a key property of genetic material mentioned in the text?

Must be able to undergo change (C) Signup and view all the answers

What is a centromere?

The point where two chromatids attach (D) Signup and view all the answers

Which of the following statements about homologous chromosomes is true?

They contain the same genes at the same loci, but alleles are always different (C) Signup and view all the answers

What is an allele?

Different forms of genes on homologous chromosomes that encode different traits (B) Signup and view all the answers

Which of the following represents a dominant allele?

Tt (D) Signup and view all the answers

What is the term for an organism that possesses two different alleles for a particular gene?

Heterozygous (C) Signup and view all the answers

In genetics, what does the term 'locus' refer to?

The physical location of a gene (D) Signup and view all the answers