genetics review

Which of the following is the best definition for heredity?

• Heredity is the passing of particles from high concentration to low concentration.

• Heredity explains how DNA copies itself.

• Heredity is the passing of traits from parent to offspring.

• Heredity is the forming of clones.

This scientist studied pea plants and was considered to be the "Father of Genetics".

• Reginald Punnett

• Gregor Mendel

• Charles Darwin

• Rosalind Franklin

Y= yellow pod

y= green pod

What is the percentage of yellow pod when you cross a hybrid pod plant with a purebred green pod plant?

• 25%

• 50%

• 75%

• 100%

According to this punnett square shown, the recessive trait is:

• Wrinkled peas

• Green pods

• Yellow pods

• Purple seeds

Which of the following is showing a genotype that would be described as homozygous recessive (purebred)

• Dd

• dd

• DD

• dD

Segments of DNA that code for specific traits are referred to as:

• RNA

• genes

• DNA splicing

• Chromosome

The physical appearance of an organisms is also referred to as:

• genotype

• phenotype

• chromosome

• incomplete dominance

The genotype is:

• the genetic makeup of an organism.

• the physical appearance of an organism.

• the deletion of a chromosome.

• the passing of traits from parent to offspring.

Which of the following shows a genotype that would be considered homozygous? Choose all that apply.

• GG

• gg

• Gg

• Bb

• bb

An allele is:

• different genes that code for different characteristics.

• different chromosomes.

• different forms of the same gene.

• section of the nucleus that forms chromosomes.