When sex cells combine to produce offspring, each sex cell will contribute

1/2 the number of chromosomes in body cells.

1/4 the number of chromosomes in body cells

the normal number of chromosomes in body cells.

twice the number of chromosomes in body cells.

In mitosis, how does the number of chromosomes in a daughter cell compare to the number of chromosomes in a parent cell?

The daughter cell has the exact same number of chromosomes.

The daughter cell has 1/2 the number of chromosomes.

The daughter cell has twice with number of chromosomes.

The daughter cell has 1/4 the number of chromosomes.

How does a sperm or egg cell differ from all other cells in your body?

Sperm and egg cells contain only 1/2 the number of chromosomes as the other cells.

Sperm and egg cells contain twice the number of chromosomes as the other cells.

Sperm and egg cells reproduce through mitosis; the other cell's don't.

Sperm and egg cells contain no chromosomes.

In frogs there are 26 chromosomes in a fertilized egg. Which best describes how many chromosomes are in the egg and sperm cells before fertilization?

13 chromosomes in the egg cell and 13 chromosomes in the sperm cell

26 chromosomes in the egg cell and 26 chromosomes in the sperm cell

52 chromosomes in the egg cell and 52 chromosomes in the sperm cell

26 chromosomes in the egg cell and 0 chromosomes in the sperm cell

If an organism reproduces asexually, as in budding, its offspring will most likely be:

genetically identical to the parent

genetically different from each other.

produced from specialized cells known as egg and sperm.

produced as a result of fertilization.

How do mitosis and meiosis differ?

Mitosis produces 2 identical cells, while meiosis produces 4 different cells.

Meiosis produces 2 identical cells, while mitosis produces 4 identical cells.

Mitosis produces 4 different cells, while meiosis produces 2 identical cells.

Meiosis produces only 1 cell, while mitosis produces many.

Living things continue their species through sexual and/or asexual reproduction. Which of the following is true for BOTH sexual and asexual reproduction?

Genetic information is passes from parent to offspring.

Sperm and egg cells are needed.

Offspring is an exact copy of the parent.

They only occur in animal species.

Organisms can reproduce in one of two ways - sexually or asexually. Amoeba are examples of organisms that reproduce asexually. When amoeba reproduce, they replicate their DNA and then divide in half. Therefore,

all of the offspring's genes are identical to those of the parent.

none of the offspring's genes are identical to those of the parent.

half of the offspring's genes come from the parent.

very few of the offspring's genes come from one parent.

Cows have 60 chromosomes. A calf received one set of chromosomes from its mother and another set of chromosomes from its father. How many chromosomes did each parent contribute?

Mom and dad each gave 30 chromosomes.

Mom and dad each gave 60 chromosomes.

If the calf looks more like the mom, she gave 40 chromosomes.

If the calf looks more like the dad, he gave 40 chromosomes.

Which of the following is true of the daughter cells produced during meiosis?

The genetic information is reduced to form daughter cells with half the number of chromosomes as the parent cell.

The genetic information in the parent cell is removed completely.

The genetic information in the parent cell is copied exactly and passed to daughter cells.

The genetic information is multiplied to form daughter cells with double the number of chromosomes as the parent cell.

When offspring show characteristics of both parent organisms, it is a result of what type of reproduction?

sexual reproduction- the joining of a sperm and egg cell

Budding- a piece of an organism breaks off and grows a new life

binary fission- a unicellular organisms splits in two

cloning- cells from an organism are used to grow new organism

Which of the following is the best explanation for how living things grow?

The size of cells become larger

Parts of the body stretch out more

Mitosis and Meiosis - Unit 7

Authored by Alicia Skoronski

Biology, Science

7th Grade

NGSS covered

Used 484+ times

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22 questions

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MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Genes are short segments of DNA and are located in the ________ of a cell.

mitochondria

chromosomes

genes

cells

Tags

NGSS.MS-LS3-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is the process by which the number of chromosomes is reduced by half to form sex cells.

fertilization

meiosis

mitosis

budding

Tags

NGSS.HS-LS3-2

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Fertilization is an important step in animal reproduction. What happens during fertilization?

Chromosomes separate into single strands.

An egg cell joins with a sperm cell.

An organism divides itself into 2 parts.

A cell goes through a series of divisions.

Tags

NGSS.HS-LS3-1

MULTIPLE CHOICE QUESTION

1 min • 1 pt

The process by which a cell creates an exact copy of itself, allowing an organism to grow is know as:

fertilization

meiosis

mitosis

budding

Tags

NGSS.HS-LS1-4

MULTIPLE CHOICE QUESTION

1 min • 1 pt

What is mitosis?

How cells combine.

How cells stop working.

How cells reproduce.

How cells reproduce sexually.

Tags

NGSS.HS-LS1-4

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What are genes?

Segments of DNA that code for physical characteristics.

The organelle that directs all of the cell's activities.

Characteristics that parents teach their offspring.

Sex cells: sperm and egg.

Tags

NGSS.HS-LS3-1

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

How does your body grow as you get older?

Your cells fill with water and get bigger.

You cells divide, producing new cells.

Your cells stretch and get longer.

Your cells combine with one another.

Tags

NGSS.HS-LS1-4

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