Ch 14 Review

In plant and animal cells, the control center of the cell is the

• chloroplast

• cytoplasm

• nucleus

• Golgi bodies

The different forms of a gene are called

• alleles

• chromosomes

• phenotypes

• genotypes

The likelihood that a particular event will occur is called

• chance

• Punnet square

• probability

• recessive

An organism with two identical alleles for a trait is

• heterozygous

• homozygous

• recessive

• dominant

IF the body of cells of an organism have 10 chromosomes, the the sex cells produced during meiosis would have

• 5 chromosomes

• 10 chromosomes

• 15 chromosomes

• 20 chromosomes

During protein synthesis, messenger RNA

• link one amino acid to another

• releases the completed protein chain

• provides a code from DNA in the nucleus

• carries amino acids to the ribosome

Ribosomes produce proteins?

• true

• false

The study of heredity is called genetics?

• true

• false

An organisms physical appearance is its genotype?

• true

• false

In codominance, neither of the alleles is dominant or recessive?

• true

• false