Exploring Basic Genetics and Punnett Squares

The video tutorial covers the basics of genetics, focusing on the concepts of genotype and phenotype. It explains complete dominance and provides examples of monohybrid and dihybrid crosses using tigers and minions. The tutorial emphasizes the importance of understanding genetics for real-life applications, such as predicting offspring characteristics and managing genetic disorders.

Why is studying genetics important?

• It has no real-life applications.

• It helps us understand the weather.

• It allows us to predict and manage genetic disorders.

• It is only useful for scientists.

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What is the genetic makeup of an organism called?

• Genotype

• Phenotype

• Chromosome

• Allele

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Which term describes the physical appearance of an organism?

• Genotype

• Allele

• Phenotype

• Chromosome

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In a complete dominance scenario, what happens when both alleles are present?

• The recessive allele is expressed.

• Both alleles are expressed equally.

• The dominant allele is expressed.

• Neither allele is expressed.

What is the phenotype of a flamingo with the genotype 'big F little F'?

• Dark pink color

• Light pink color

• White color

• Blue color

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In a monohybrid cross, what does 'heterozygous' mean?

• Three alleles

• Two identical alleles

• Two different alleles

• No alleles

What is the expected phenotypic ratio of offspring from a cross between a heterozygous orange-furred Bengal tiger and a white-furred Bengal tiger?

• 50% orange, 50% white

• 100% white

• 100% orange

• 75% orange, 25% white

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What does 'dihybrid cross' mean?

• Cross involving one characteristic

• Cross involving two characteristics

• Cross involving three characteristics

• Cross involving four characteristics

In a dihybrid cross, what is the phenotype of a minion with the genotype 'Big E little e, Big R little R'?

• Short with two eyes

• Tall with one eye

• Tall with two eyes

• Short with one eye

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What is the probability of getting a short minion with one eye from the given dihybrid cross example?

• 100%

• 25%

• 50%

• 75%

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