NC Biology EOC Review : Heredity, Genetics, Biotechnology

When an egg is fertilized by sperm a ____ is created.

• embryo
• fetus
• zygote
• baby

Which process results in 4 haploid daughter cells?

• mitosis
• meiosis
• fertilization
• replication

Mutations that occur in ____ can be passed to offspring.

• gametes
• autosomes
• somatic (body) cells
• chromosomes

Tags

NGSS.HS-LS3-1

NGSS.HS-LS3-2

Which of these promotes more genetic diversity due to the random separation of genes on separate chromosomes during meiosis?

• Crossing Over
• DNA replication
• Independent Assortment
• Nondisjunction

________ reproduction occurs when two parents produce offspring that are genetically similar but not identical to the parents.

• Asexual
• Sexual

Tags

NGSS.HS-LS3-1

Which occurs when chromosomes fail to separate during meiosis?

• Crossing Over
• Nondisjunction
• Independent Assortment
• Mutation

Tags

NGSS.HS-LS3-2

How many phases are in meiosis? What happens before these phases?

• 4, interphase
• 4, cytokinesis
• 8, interphase
• 8, cytokinesis

Cells spend most of their lives in _____ which is when DNA replicates, organelles are doubled, and the cell prepares to divide.

• Interphase
• Mitosis
• Meiosis
• Cytokinesis

During meiosis, homologous chromosomes undergo  ______ causing genetic variation (gene recombination).

• crossing over
• independent assortment
• mutations
• replication

In meiosis four daughter cells are produced with ____ of the genetic material of the parent cell.  If the parent cell has 46 chromosomes the daughter cell will have ____.

• the same amount, 46
• double, 92
• half, 23

Tags

NGSS.HS-LS3-2