Exam 12: Inheritance, Genes, and Chromosomes

If Mendel's crosses between spherical-seeded tall plants and wrinkled-seeded short plants had produced many more than ¹/₁₆ wrinkled-seeded short plants in the F₂ generation, he might have concluded that

When a cross is made and a trait disappears in the F₁ generation, only to reappear in the F₂, the trait is probably _______.

Quantitative traits are traits

The complete phenotype of an organism is dependent on

Mendel's laws of inheritance can be applied to human genetics through the study of _______.

Geneticists make use of _______ frequencies to create genetic maps that show the arrangement of genes on a chromosome.

The physical appearance of a character is the _______, whereas the genetic constitution is the _______.

In humans, spotted teeth are caused by a dominant sex-linked gene. A man with spotted teeth whose father had normal teeth marries a woman with normal teeth. Therefore,

If the same allele has two or more phenotypic effects, it is said to be

Which of the following organelles contain DNA?

What is the map distance between two genes with a recombination frequency of 0.08?

Coat color in mice involves the effects of multiple gene interactions. If a mouse has two recessive alleles (aa) for coat color, it is always albino no matter what the genotype of other genes involved in coat color. This is an example of

In epistasis

Cytoplasmic inheritance

The physical appearance of a character is called

A pea plant with red flowers is test crossed, and one-half of the resulting progeny have red flowers, while the other half has white flowers. Therefore, the genotype of the test-crossed parent was

Separation of the alleles of a single gene into different gametes is called

In the ABO blood type system,

In many animals, including humans, sex is determined by a single _______, or by a pair of them. Both males and females have two copies of each of the rest of the chromosomes, which are called _______.

The 9:3:3:1 ratio is obtained