The form of a gene that is always expressed if present is the form.

Two heterozygous purple-flowering pea plants are crossed. If purple is dominant over white, what are the expected phenotypic results?

What law BEST explains why an organism with ‘Tt’ will show only the dominant phenotype?

If an organism inherits one dominant allele and one recessive allele for eye color, their genotype would be:

Two parents have the genotype Gg for a genetic disorder caused by a recessive allele. What is the chance that any of their children will inherit the disorder?

Which Mendelian law of inheritance states that organisms inherit two copies of each gene and donate one copy to each of their offspring?

In pigs, the allele for a wavy, rough coat (R) is dominant to the allele for a soft, fine coat (r). A rough coat boar and asoft coat sow mate. They produce several litters, 50% are rough coat and 50% are smooth coat. What must be thegenotypes of the parents to create this phenotypic ratio?

Imagine two heterozygous parents. Each has a dominant allele (B) for brown eyes and a recessive allele (b) for blueeyes. What would the genotypic ratio of the offspring be?

For an XX female to express a recessive sex-linked trait, she must have _____________.

Human height occurs in a continuous range because it is affected by the interaction of many genes, making it a(n)

Red hair and freckles are commonly inherited together. Which of following patterns ofinheritance explains this?

In a newly discovered species of flower, it was discovered that the color of the flowers is determined by two different genes. Which of the following inheritance patterns is this?

Mutations can be caused by all of the following except _____________.

In order for a mutation to be passed on from parent to offspring, the mutation must occur in

On a pedigree, how would a female individual with a disease be notated?

If a mutation only changes the nucleotide sequence for a single protein, then it is known as a

What kind of mutation occurred in the sex chromosome of an individual with the genotype XXY?

How would you categorize a genetic disorder that is equally likely in males and females and is caused by the presence of two affected alleles?

Nondisjunction of autosomal chromosomes, such as chromosome number 21, can result in disorders like

When getting an X-ray taken at the doctor’s office, you notice the technician cover you with a heavy vest. This vest,you are told, contains lead, a metal that can block X-rays, which are a form of radiation. The technician covers yourtorso, and folds the vest over double across your reproductive organs (testes/ovaries). This is done because radiationcan damage the DNA of theses organs, causing a mutation you may pass to children. Substances like radiation andother certain chemicals are known as mutagens because

Selective breeding produces____________________ .

The goal of the Human Genome Project was to

A technique that allows engineers to artificially amplify a section of DNA by copying it overand over again in a lab is known as .

During interphase a cell grows, duplicates organelles, and

Two chromosomes containing the same types of genes that you inherit from your parents (one from mom and one from dad) are called________________ .

The process of dividing the cytoplasm after telophase is completed is called

Which organelle supplies energy in a usable form to the cell?

Which organelle would make restriction enzymes for cutting DNA into fragments?

Plants are able to absorb sunlight and because they have a pigment called_____________ . They can then convert solar energy to chemical energy in the form of_________________ .