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Genetics Quiz: Alleles and Inheritance

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Questions and Answers

What is the relationship between dominant and recessive alleles?

Recessive alleles can overpower dominant alleles under certain conditions.

They have no effect on the phenotype of an organism.

Dominant alleles can completely mask the effect of recessive alleles. (correct)

Both alleles are always expressed equally.

According to the Law of Segregation, what is true about alleles?

One allele is always dominant over the other.

Both alleles are passed to offspring with equal likelihood. (correct)

Alleles are always inherited together.

Only one allele from a parent is passed on to the offspring.

What does the Law of Independent Assortment indicate about genetic traits?

The inheritance of one trait does not affect the inheritance of another. (correct)

Traits are inherited together without any variation.

Dominant traits always influence the inheritance of recessive traits.

All traits are inherited independently of the alleles involved.

Which statement about dominant and recessive traits is correct?

<p>Recessive traits can be expressed in the phenotype only if both alleles are recessive.</p> Signup and view all the answers

How are uppercase letters used in genetics?

<p>To denote dominant alleles.</p> Signup and view all the answers

Study Notes

Alleles and Inheritance

Usually, one allele will be dominant and hide the recessive allele
We use an uppercase letter for dominant alleles

Law of Segregation

Each of the two alleles is equally likely to be passed onto offspring

Law of Independent Assortment

Factors for different characteristics are not connected
Can get a dominant green seed pod and a recessive white flower

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Description

Test your understanding of alleles, inheritance patterns, and the laws governing genetic traits. This quiz covers the concepts including the dominance of alleles, segregation, and independent assortment. Perfect for students studying genetics!