Which of the following statements is true? 1.all genes are dominant.\ 2.a hybrid organisms has one recessive gene and one dominant gene. 3.genotype is the expression of a trait. 4.only pea plants with two dominant genes for tallness will have a tall phenotype.

Explanation:

Chromosomes are made up of genes and a gene is made up of two copies of alleles. If an organism has two different types of alleles on its chromosomes then it's a hybrid organism else we call it a pure organism/trait.

the answer is c) abandoned properties that are contaminated with hazardous materials.

many phylogenetic trees have a single lineage at the base representing a common ancestor. a lineage that evolved early from the root and remains unbranched is called basal taxon. when two lineages stem from the same branch point, they are called sister taxa.

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explanation: