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Genetics and Gregor Mendel Quiz

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Questions and Answers

Which genetic term refers to an individual with two identical genes for a particular trait?

Genotype

Alleles

Homozygous (correct)

Heterozygous

What does the Law of Independent Assortment state in Mendelian genetics?

Every organism has two alleles per trait

Alleles of different genes get sorted into gametes independently (correct)

Only dominant alleles will produce a phenotype

Alleles separate during meiosis

In genetics, what is the function of a Punnett square?

Represent the genetic representation of a family tree

Show the inheritance of a trait through generations

Predict the genotypes of a breeding experiment (correct)

Illustrate the separation of alleles during meiosis

What is the genetic makeup of an individual known as?

Genotype Signup and view all the answers

According to Mendel's Law of Dominance, what happens when an organism is heterozygous for a trait?

Only the dominant allele produces a phenotype Signup and view all the answers

What genetic phenomenon occurs when two heterozygous alleles are expressed together in the phenotype of an organism?

Incomplete dominance Signup and view all the answers

Which of the following genetic terms describes the phenomenon where two alleles are expressed to an equal degree within an organism?

Codominance Signup and view all the answers

In humans, what is the sex chromosome composition for females and males?

XX for females, XY for males Signup and view all the answers

Which of the following conditions is an example of a sex-linked trait?

Color blindness Signup and view all the answers

What is a Punnett square primarily used for in genetics?

Predicting variations and probabilities from cross-breeding Signup and view all the answers