Mitosis and Meiosis

Which process results in two daughter cells each having the same number of chromosomes as the parent cell?

• meiosis

• mitosis

• photosynthesis

• cytokinesis

Body cells may produce additional body cells by means of _________. Organisms that reproduce sexually produce gametes by means of the process of _________.

• mitosis; meiosis

• meiosis; mitosis

• mitosis; conjugation

• meiosis; gametogenesis

Tags

NGSS.MS-LS3-2

The nucleus contains the cells genetic material in the form of

• ADP

• ATP.

• DNA.

• RNA

Tags

NGSS.MS-LS3-1

During cell division, or mitosis, an exact duplicate of the original cell is produced. The instructions for cell division are found in the __________ in the __________.

• nucleus:RNA

• chromosomes:nucleus

• nucleus:nucleolus

• ribosomes:RNA

Tags

NGSS.MS-LS3-1

In multicellular organisms, life begins as a single cell until ___________ occurs, causing growth.

• conjugation

• fertilization

• meiosis

• mitosis

Tags

NGSS.MS-LS1-5

In sexual reproduction, offspring are genetically different from the parents. This is because

• reproduction occurs very rapidly.

• only one parent is involved in reproduction.

• combined genes are received from both parents.

• there is less variations in daughter organisms.

Tags

NGSS.MS-LS3-2

Organisms can reproduce asexually or sexually. All BUT ONE of the steps below is involved in sexual reproduction. Which step describes asexual rather than sexual reproduction?

• The sperm fertilizes the egg to produce a zygote.

• Egg and sperm receive chromosomes from each parent.

• In some organisms, a piece of the parent may bud off to produce offspring.

• The zygote undergoes cell division and cell differentiation to become a new and different organism from the parents.

Tags

NGSS.MS-LS3-2

The diagram shows the process of meiosis. How many divisions are required to decrease chromosome numbers and produce gametes?

• 1

• 2

• 3

• 4

Tags

NGSS.HS-LS3-2

The process of meiosis produces only gametes, eggs or sperm. According to the diagram, how many sperm are formed from each cell that undergoes meiosis?

• 1

• 2

• 3

• 4

Tags

NGSS.MS-LS3-2

Which statement correctly lists the order of the stages?

• P, R, Q

• Q, R, P

• R, P, Q

• P, Q, R

Tags

NGSS.HS-LS1-4