2nd 9 weeks CA revuiew

Front

What is the genetic makeup of a trait?

Back

Genotype: The genetic constitution of an individual, represented by alleles (e.g., Tt or TT).

Front

What is the structure that makes up DNA?

Back

Nucleotide: The basic building block of DNA, consisting of a sugar, phosphate group, and nitrogenous base.

Front

Which nitrogenous base does Guanine bond with?

Back

Cytosine: Guanine pairs with Cytosine in DNA.

Front

What phase of meiosis is characterized by the alignment of chromosomes at the equatorial plane?

Back

Metaphase II: The second stage of meiosis where chromosomes line up in the center of the cell.

Front

What is an example of homozygous recessive genotype?

Back

rr: A genotype with two recessive alleles.

Front

What is the difference between phenotype and genotype?

Back

Phenotype: The observable traits of an organism; Genotype: The genetic makeup that determines those traits.

Front

What are the four nitrogenous bases in DNA?

Back

Adenine, Thymine, Cytosine, Guanine.

Front

What is the role of amino acids in proteins?

Back

Amino acids are the building blocks of proteins, linked together by peptide bonds.

Front

What is the structure of DNA?

Back

Double helix: The shape of DNA, consisting of two strands twisted around each other.

Front

What is the term for different forms of a gene?

Back

Alleles: Variants of a gene that determine specific traits.