Gene regulation, expression, Cells, Genetics, Meiosis Quiz

Observe the pic then answer the question that follows.

Question: Gene regulation is the process that is used to:

• help make sugars for cells in plants.

• turning genes on and off.

• make glycosomes in cells.

• Not sure. Code RED need help.

The Himalayan rabbit’s habitat has cold, snowy winters and mild summers. The body is typically covered in white fur except for the nose, feet, tail, and ears, which are covered in black fur.

A scientist shaved an area of white fur on the back of a Himalayan rabbit and placed an ice pack over the shaved area. The shaved area grew black fur.

Which of these best explains why the hair that grew back where the ice pack was placed was black and not white?

• The genes for black hair were activated by specific temperatures.

• The white hair mutated to black hair as the rabbit’s body temperature decreased.

• The coat color changed from white to black with the age of the rabbit.

• White hair only grows during certain times of the year.

Which types of cells would only be affected by a mutation in the organism itself and NOT future generations?

• Egg cell and liver cell

• Sperm cell and egg cell

• Nerve cell and brain cell

• Sperm cell and lung cell

1 The white cattail is a hybrid species of plant that is a result of the cross between the broad-leaved cattail and the narrow-leaved cattail. Over time, the white cattail has established itself in the wetlands of Midwestern states.

• Inherited traits passed on from parental generations make hybrid species more susceptible to disease.

• Favorable genes from parental generations provide advantageous characteristics to the hybrid species.

• Hybrid species display more adaptations due to their reduced genetic diversity.

• Hybridization produces offspring traits that allow different species to survive in extreme environments.

A dog gives birth to 5 puppies. What percentage of the chromosomes does each puppy receive from the mother?

Hint: you receive chromosomes from mom and dad.

• 25%

• 75%

• 50%

• 100%

For the genotype given below determine what phenotype would be possible (in other words what color?)

Genotype given: Brown eyes are dominant to blue eyes

BB:

• Blue eyes

• Brown eyes

• Hazel eyes

• None of the above

Sexual reproduction in animals depends on the production of gametes. Which of these processes produces gametes in animals?

• Mitosis

• Fertilization

• Meiosis

• Binary fission

For this genotype (Cc) indicate if it is heterozygous (Htz) or homozygous (Hmz).

• Homozygous (Hmz)

• Heterozygous (Htz)

True or false:

The recessive allele will be more expressed in the phenotype trait of an offspring than the dominant allele. (in other words the recessive trait for green eyes will be seen more in the offspring then the dominant trait).

• True

• False

Check all that apply:

Statement: Genotypes:

• does not relate to how someone is made.

• is the description of an organism’s genetic makeup

• is the description of the physical trait of the organism (what it looks like)

• can be Homozygous = same alleles = PP, pp

• can be Heterozygous = different alleles = Pp