Genetics Quiz 1 RMSA 23-24

What does phenotype refer to?

• A characteristic or feature

• A type of protein

• Differences within a trait

• The way an individual looks for a specific trait

What is a trait?

• A characteristic or feature

• When an egg cell and a sperm cell combine

• A type of molecule

• An organized representation of biological relationships

What does variation refer to?

• The combination of alleles

• A certain region of a chromosome

• A type of chromosome

• Differences within a trait

What is the role of proteins in the body?

• To form the cell wall

• To do specific functions due to their shapes

• To carry genetic information

• To provide energy

What is a pedigree?

• A characteristic or feature

• A certain region of a chromosome

• An organized representation of biological relationships

• A type of protein

What is sexual reproduction?

• The process of making proteins

• When an egg cell and a sperm cell combine to develop into an offspring

• When chromosomes are copied

• The division of a nucleus

Where are chromosomes located in a cell?

• In the mitochondria

• In the cytoplasm

• In the nucleus

• In the cell membrane

How do egg and sperm cells compare to muscle cells in terms of chromosomes?

• They do not contain chromosomes

• They have half the number of chromosomes

• They have twice the number of chromosomes

• They have the same number of chromosomes

A cattle's karyotype is made of 60 chromosomes (30 pairs). Where do the chromosomes come from?

• One of each pair comes from the egg cells and the other comes from the sperm cell.

• Pairs 1-15 come from the egg cell and pairs 16-30 come from the sperm cell.

• All of the chromosomes come from the egg cells.

• All of the chromosomes come from the sperm cells.

What is a gene?

• An organized representation of biological relationships

• A certain region of a chromosome that causes a certain protein to be made

• A characteristic or feature

• A type of protein