1. Introduction to Genetics

In a simple Mendelian trait where A is the dominant allele and a is the recessive allele, which genotype is homozygous dominant?

In the context of Mendelian genetics, what is the best definition of an allele?

In fundamentals of genetics, what are the multiple forms of one gene called?

In the context of the fundamentals of genetics, which statement best describes the relationship among DNA, genes, and chromosomes?

In Mendelian genetics, a recessive allele will exhibit its phenotype only when the organism has which genotype at that locus?

Which of the following statements best describes the role of genetics in determining physical fitness?

In the context of Mendelian genetics, how do two alleles for the same gene most commonly differ?

Which option best describes a phenotype in genetics?

Which of the following best defines both 'gene pool' and 'allele frequency' in the context of population genetics?

In the fundamentals of genetics, alternative versions of a gene are called what?

A cell with two pairs of each set of chromosomes is called a:

In the context of fundamental genetics, what best describes an organism’s genotype?

Which statement is an accurate description of genes?

If an individual is heterozygous for a particular trait, which of the following best describes their genotype?

An elephant has 56 chromosomes. Which statement about a zygote of an elephant is true?