genetics study guide bI

Genetics Study Guide 

The two genes or alleles that combine to determine a trait would be the organism’s _______________.

Type AB blood, having two genes dominant for a trait, is an example of ________.

State Mendel’s law of segregation.

Rr x Rr is an example of what type of cross —– P1, F1, or F2?

If both alleles are the same in a genotype, is the genotype homozygous or heterozygous?

Which cross is a cross between two hybrids —– P1, F1, or F2?

__________ dominance results in the blending of genes in the hybrid. Give an example using flower color.

What is another term for a heterozygous genotype?

The _____________ is the physical feature such as round peas that results from a genotype.

How many traits are involved in a monohybrid cross?

What type of organism was used in the first genetic studies done by Gregor Mendel?

What is a karyotype?

The two genes for a trait represented by capital & lower case letters are called __________.

How many traits are involved in a dihybrid cross?

Which of Mendel’s laws states that the dominant gene in a pair will be expressed?

If both alleles are the same, is the genotype homozygous or heterozygous? Write an example.

Write an example of a hybrid or heterozygous genotype.

The genes for sex-linked traits are only carried on which chromosome?

Who is considered to be the "father of genetics"?

A second filial or F2 cross is also called a ____________ cross.

The failure of chromosomes to separate during meiosis (egg & sperm formation) is known as _________________.

A cross between two pure or homozygous organisms is called what type of cross —– P1, F1, or F2?

What genetic disorder results from a sex-linked trait that affects color vision?

The genetic disorder called _______________ is known as the "free bleeders" disease.

Having three 21st chromosomes causes the genetic disorder known as _________.

A person suffering from the genetic disorder called ______________ can not digest fats.

_____________________ disease is a genetic disorder where red blood cells carry less oxygen.

Work a P1 cross for plant height in peas.

Work an F1 cross for plant height in peas.