Genetic Terminology and Concepts

This video tutorial introduces the basics of genetic inheritance, explaining how traits are passed from parents to offspring. It covers the concepts of phenotype and genotype, the historical perspective of inheritance theories, and Gregor Mendel's contributions. The video further delves into the structure and function of chromosomes and genes, the role of alleles, and the principles of dominant and recessive traits. It concludes with an explanation of homozygous and heterozygous genetic traits, setting the stage for a deeper understanding of Mendel's laws in future videos.

What is the term used to describe the physical characteristics of an organism in genetic language?

• Phenotype

• Locus

• Genotype

• Allele

What determines an individual's phenotype?

• Diet

• Genotype

• Lifestyle

• Environment

What is the term for the genetic makeup of an organism?

• Phenotype

• Locus

• Genotype

• Allele

Who established the mechanisms of genetic inheritance in the mid-19th century?

• Charles Darwin

• Gregor Mendel

• James Watson

• Francis Crick

Which scientist's laws form the basis of modern genetic inheritance?

• Francis Crick

• Charles Darwin

• Gregor Mendel

• James Watson

What is the term for the physical location of a gene on a chromosome?

• Locus

• Genotype

• Allele

• Phenotype

What are the different forms of a gene called?

• Genotypes

• Loci

• Phenotypes

• Alleles

If an individual has two identical alleles for a trait, what is this condition called?

• Heterozygous

• Homozygous

• Dominant

• Recessive

Which type of gene is expressed when both a dominant and a recessive allele are present?

• Homozygous

• Dominant

• Heterozygous

• Recessive

What is the term for an individual with two different alleles for a trait?

• Heterozygous

• Recessive

• Dominant

• Homozygous