Heredity and Heritability Answers

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✔ Recessive genesDominant genesHeterozygous genes are genes that a person may have but that are less likely to show themselves.

✔ An alleleA phenotypeA genotype is the name for just one of all of the options for a given gene.

Select the word or phrase that best completes each sentence. Heterozygous genes✔ Dominant genesRecessive genes are genes that are probably going to show themselves in a person.

Select the word or phrase that best completes each sentence.A person who has two of the same gene, one received from each parent, is said to be a carrierheterozygous✔ homozygous for a certain genetic trait.

The way a person’s genetic information is expressed, or observed, is known as

Select the word or phrase that best completes each sentence.A person’s genotype is information that be changed. Genotypes are the information that gets passed along to .

Select the word or phrase that best completes each sentence.Phenotypes are the way genetic information is inherited✔ expressedpassed on, or how it shows itself through another person.

Which of the following examples are traits found in a person’s genotype?

Select the traits that are examples of what is found in a person’s phenotype.

The formal study of heredity began in the nineteenth century when a monk named Gregor Mendel took an interest in the heredity of

Suppose disease A is dominant. The gene for having the disease is shown with a capital A, and the gene for not having it is shown with a lowercase a. Which of the following have the gene that carries the disease? Check all that apply.

Now suppose disease A is recessive. The gene for not having the disease is shown with a capital A, and the gene for having the disease is shown with a lowercase a. Which of the following now have the disease? Check all that apply.

Recall that the trait of being a taster is a dominant trait. Which of the children in the family are tasters? Check all that apply.

Recall that the trait of being a taster is a dominant trait. Which, if either, of the parents in the family can taste the bitter flavor of Brussels sprouts?

A person who has two different genes, one received from each parent, is said to be a carrier✔ heterozygoushomozygous for a certain genetic trait.

The actual chemical structure of genes that determine certain traits is known as a person’s

Some of the information that is part of people’s phenotype is also part of their Punnett squareallele✔ genotype.

In the twentieth century, the study of heredity took giant leaps forward with the discovery of DNA. DNA is