Ch.4 "Chapter Test" Genetics: The Science of Heredity

How many chromosomes does the human body cells have?

In the _____ division of meiosis, chromosomes split.

The pattern of inheritance in which there are three or more possible alleles for a trait is

Genes pass from parents to offspring on chromosomes.

Select all the divisions take place during meiosis?

Gene are carried on chromosomes?

Capital letters are used to represent recessive alleles.

____ a type of cell division that produces egg and sperm cells.

Each chromosome contains two identical _____.

A Purebred is an example of an individual that is homozygous?

What are the two alleles called for a trait.

What Mendel called factors are now called ______.

An individual that is heterozygous has two same alleles for a trait?

The F1 generation is called the ______.

All plants inherit one ___ allele & one ___ allele. These plants are all tall.

Polygenic inheritance or Multiple Alleles occurs when more than one gene affects a trait.

In plants and animals (including humans), where does the chromosomes reside?

Being a good reader is an example of an ______ trait.

Which is of these is Not a way to express probability?

A individual that is heterozygous has two different alleles for a trait?

______facts and statistics collected together for reference or analysis.

______to show noticeable differences. The difference between two or more things.

How many chromosomes do human sex cells have?

How are the symbols written for alleles that share incomplete dominance.

Which of these genotypes is heterozygous(hybrid)?

Alleles are not the different forms of a gene.

_____ occurs when both alleles for a gene are expressed equally.

Which of the following are symbols of "dominant" alleles.

What inheritance pattern does height show?

The root word "homo" means same?

Most traits are the result of complex patterns of inheritance.

Chromosomes split into identical halves, which move to new cells. What division is it?

Mendel said that the factors that control a trait exist in pairs.

A Punnett square shows the combination of ______ that parents can pass on to offspring.

What are the two ways an individual can be homozygous for a trait?

What is a punnett square?

When crossing a tall and short purebred plant, it would be called parental or P generations.

What is an inherited trait?

A fertilized egg has the same number of chromosomes as the body cells of the parent.

What kind of cells are produced during meiosis?

Sex cells have twice the number of chromosomes as body cells?

Environmental factors can influence the way genes are expressed.

What did the geneticist Walter Sutton study to understand how sex cells form?

Does probability predict what will definitely happen or what is likely to occur?

_______ is a number that describes how likely that an event will occur.

A seed can be rounded or wrinkled. Seed shape is ____.

The pattern of inheritance in which one allele is only partially dominant is

Which of these is Not a phenotype?

An _____ is a scientific procedure undertaken to make a discovery, test a hypothesis, or demonstrate a known fact.

Mendel's experiments showed that the traits of an offspring were not a blend of characteristics of the parents.