Chapter 15- The Chromosomal Basis of Inheritance

Genes that are far apart on the same chromosome can have a recombination frequency near ____

Genes located on the same chromosome that tend to be inherited together are called ____________________

Explain mutant phenotypes in a population.

Offspring with nonparental phenotypes (new combinations of traits) are called

A ______________ zygote has three copies of a particular chromosome

__________________ is a condition in which an organism has more than two complete sets of chromosomes

In ____________________, pairs of homologous chromosomes do not separate normally during meiosis As a result, one gamete receives two of the same type of chromosome, and another gamete receives no copy

______________ repeats a segment of a chromosome

___________________ moves a segment from one chromosome to another

A ____________ zygote has only one copy of a particular chromosome

Each chromosome has______________ or ___________ of genes (except the Y chromosome)

X-linked recessive disorders are much more common in ______ than in _______.

_______________ results from the fertilization of gametes in which nondisjunction occurred. Offspring with this condition have an abnormal number of a particular chromosome

What is the chromosome theory of inheritance?

___________ reverses orientation of a segment within a chromosome

Genes found of the X chromosome.

What is a Barr body?

______________ (3n) is three sets of chromosomes

Give an example of an X-linked gene.

Explain the wild type phentoype.

____________(4n) is four sets of chromosomes

Sex-linked gene

In mammalian females, one of the two X chromosomes in each cell is randomly ____________during embryonic development

A______ frequency of recombination is observed for any two genes on different chromosomes

____________ removes a chromosomal segment