Genetics Unit Review

What is the physical expression of an organism called?

• Genotype

• Phenotype

• Heterozygous

• Carrier

If you see the genotype RR, what does the first R represent?

• Dominant

• Recessive

• Heterozygous

• Hybrid

Which of the following genotypes represent a homozygous (purebred) recessive individual?

• Hh

• HH

• hh

Which of the following genotypes represent a homozygous (purebred) dominant individual?

• Hh

• HH

• hh

Which of the following traits for a rabbit is inherited by its parents?

• The size of the rabbits ears.

• The speed of the rabbit.

• The height at which the rabbit can jump.

• Hiding from predators.

In this Punnett Square, dark hair is dominant to light hair. Reading the inside of the Punnett Square, what is the probability of the offspring having light hair?

• 0 in 4

• 4 in 4

• 4:4

• 0:0:4

In this Punnett Square, dark hair is dominant to light hair. Reading the inside of the Punnett Square, what is the percentage of the offspring having light hair?

• 3 in 4

• 100%

• 0%

• 1:2:1

A process of genetic engineering (that was influenced by techniques from thousands of years ago) with living organisms to pick specific (desired) traits from each organism is called?

• Selective Breeding

• Cloning

• Meiosis

• Asexual Reproduction

Harmful exposure to radiation, chemicals or mistakes in cell division with chromosomes are all examples of a ________.

• Mutation

• Mitosis

• Meiosis

• Selectively Bred Dominant Organism

When explaining the phenotype of an individual, it is the _________________

• the physical appearance of the individual.

• the genetic makeup of the individual.

• the division of cells from the organism

• replacing of the nucleus of the individual.