Biology Midterm Review

Front

What is carrying capacity?

Back

The maximum number of individuals of a species that an environment can support sustainably.

Front

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

Back

Metaphase 1.

Front

What is the genotype of a parent that can produce offspring with attached earlobes (ee)?

Back

Ee.

Front

What term describes the observable traits of an organism?

Back

Phenotype.

Front

How many chromosomes does a butterfly egg cell contain if an intestinal cell contains 24 chromosomes?

Back

12 chromosomes.

Front

What is the difference between genotype and phenotype?

Back

Genotype refers to the genetic makeup, while phenotype refers to the observable traits.

Front

Define meiosis.

Back

A type of cell division that reduces the chromosome number by half, resulting in four haploid cells.

Front

What is a dominant allele?

Back

An allele that expresses its trait even in the presence of a recessive allele.

Front

What is a recessive allele?

Back

An allele that only expresses its trait when two copies are present.

Front

What is the role of chromosomes in heredity?

Back

Chromosomes carry genes, which are the units of heredity.