C11 + C12 Genetics + Heredity Terms 5087

Genes are made of _________.

• DNA

• chromosomes

• RNA

• proteins

Chromosomes are made of ________.

• DNA wound around proteins.

• DNA only

• Genes only

• DNA and genes

Proteins are made of amino acids. DNA is made of ___________.

Which statements are true about genes?

• A gene is a sequence of nucleotides.

• A gene is part of DNA molecule.

• A gene controls the production of many polypeptides.

• Many genes can be found on one chromosome.

Genes are used to make mRNA in a process called _ _ _ _ _ _ _ _ _ _ _ _ _.

mRNA is used to make proteins in a process called _ _ _ _ _ _ _ _ _ _ _.

Different forms of the same gene are called ________.

• alleles

• dominant

• heterozygous

• genotypes

What is the term for an allele that determines phenotype in homozygous and heterozygous?

• dominant

• recessive

• gene

• genotype

What is the term for an allele that determines phenotype when homozygous, but not when heterozygous?

• dominant

• recessive

• genotype

• gene

What is the term for an organism that has identical alleles for a particular gene?

• homozygous

• heterozygous

• recessive

• dominant