Prepare for the ICEV Animal Science Certification Exam. Utilize flashcards and multiple choice questions, each equipped with hints and explanations. Ace your exam confidently!

Multiple Choice

Which of the following is not a Mendelian law?

Mendelian patterns describe how traits are inherited from parents to offspring in a single generation. The law of segregation explains that each parent carries two alleles for a gene and these alleles separate during gamete formation, so each gamete gets one allele. The law of independent assortment states that the alleles of different genes assort independently when forming gametes, assuming the genes are unlinked. The law of dominance says that in a heterozygote, the dominant allele governs the phenotype, masking the recessive allele. The concept not fitting these patterns is evolution. Evolution concerns changes in allele frequencies within a population over many generations, driven by mechanisms like natural selection, mutation, genetic drift, and gene flow. It’s about population-level change over time, not a direct rule for how a single generation inherits traits.

Mendelian patterns describe how traits are inherited from parents to offspring in a single generation. The law of segregation explains that each parent carries two alleles for a gene and these alleles separate during gamete formation, so each gamete gets one allele. The law of independent assortment states that the alleles of different genes assort independently when forming gametes, assuming the genes are unlinked. The law of dominance says that in a heterozygote, the dominant allele governs the phenotype, masking the recessive allele.

The concept not fitting these patterns is evolution. Evolution concerns changes in allele frequencies within a population over many generations, driven by mechanisms like natural selection, mutation, genetic drift, and gene flow. It’s about population-level change over time, not a direct rule for how a single generation inherits traits.