Heredity & Genetics (6th Grade Chapter 3)

A sperm cell can contain ____ chromosomes.

Process by which plants with desirable traits are crossed until a new variety is developed is

Egg cells and sperm cells are called ____.

Traits that are inherited with sex chromosomes are ___.

Gametes form through the process of _____.

The study of heredity is called ___.

Where are chromosomes located?

The mating of organisms with very similar genes is ___.

With which base does thymine always pair?

A chart that shows inheritance of certain traits over several generations is called a _____.

A pea plant with 2 tall genes is called a(n) _____.

The field of biology that studies heredity is called _____.

Characteristics are also called ___.

A gene combination in which a mixture of traits show is called ___.

Mating organisms to produce offspring with certain traits is called ___.

Human cells contain ___ chromosomes.

When the parents are hmozygous dominant and homozygous recessive, all the offspring are ___.

What is the process called when certain proteins are produced at certain times?

A dominant gene is represented by a(n)_____.

Mating of two different kinds of organisms is called ___.

An organism with two like genes for a trait is said to be ___.

A different version of the same gene is called a(n) _____.

An inherited disease is caused by a(n) _____ gene.

A _____ is an organism that has the recessive gene for a trait but does not show the trait.

A female body cell contains 2 ____ chromosomes.

With which base does guanine always pair?

_____ traits are inherited along with gender.

The sides of a DNA ladder are made up of ___.

Characteristics are called _____

A fertilized egg that has an X and Y chromosome will develop into a _____.

An example of an inherited trait is _____.

A fertilized egg that has two X chromosomes will develop into a ____.

The gender of offspring is determined by chromosomes in the _____.

___ is the basic molecule in a chromosome.

Chemical compound contained in chromosomes is ___.

Where are genes located?

A Punnett square shows possible combinations of ___.

Having two unlike genes

Inherited traits are passed from parents to _____.

The "Father of Genetics" was _____.