Biology A v.3 : 4. CELL DIVISION AND REPRODUCTION

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(Select all that apply.) The four major functions of mitosis include _____. mutation differentiation repair replacement reproduction growth

repair replacement reproduction growth

Damaged cells of an organism are usually _________________________ by mitosis.

replaced

Match the following. 1. The fusion of gametes to produce a new cell or zygote 2. Sex cell 3. The new genetic combinations of information which take place as a result of meiosis 4. Having a single, complete set of chromosomes 5. A kind of cell division involving halving the chromosome number 6. The male gamete __fertilization __meiosis __gamete __genetic recombination __sperm __haploid

1. fertilization 5. meiosis 2. gamete 3. genetic recombination 6. sperm 4. haploid

The number of daughter cells produced in mitosis is ___ .

2

How are the growth and development of a baby related to the process of mitosis? Mitosis regulates hormonal balance. Mitosis is relevant only to plants. Mitosis is a means of adding new cells. weight is increased by adding new cells.

Mitosis is a means of adding new cells. weight is increased by adding new cells.

Why don't blue-green algae and bacteria reproduce by mitosis? Because they are not organisms. They are not cells. They only contain one chromosome. They contain two chromosomes.

They only contain one chromosome.

Match the following. 1. Reproduction in which the offspring are genetic copies of the parent 2. Discreet units of chromatin which appear during cell division 3. The cell produced as a result of cell division 4. Having chromosomes in homologous pairs 5. Chromosomes that are the same in size, shape, and control the same characteristics 6. Cell division in which two daughter cells are genetic copies of the parent cell 7. Cell division by means of mitosis 8. A single individual plant or animal 9. The cell which begins the process of cell division __parent cell __chromosome __mitotic division __asexual reproduction __diploid __mitosis __daughter cell __homologous chromosomes __organism

9. parent cell 2. chromosome 7. mitotic division 1. asexual reproduction 4. diploid 6. mitosis 3. daughter cell 5. homologous chromosomes 8. organism

Most cells remain functioning throughout the duration of the organism by the maintenance function of mitosis. True False

False

Meiosis is also referred to as: asexual reproduction a nuclear and cell division process nucleic reproduction cell reduction

a nuclear and cell division process

How does mitosis differ in plants and many animals? additional numbers of cells is not needed in most animals after maturity animals need cell repair, plants do not plants usually continue to grow throughout their existence mitosis relates to plants, meiosis relates to animals

additional numbers of cells is not needed in most animals after maturity plants usually continue to grow throughout their existence

Reproduction by mitosis duplicates: chromosomes genes DNA all of the above

all of the above

Mitosis is a form of _____________________ reproduction.

asexual

In addition to cell division, meiosis also includes division of a cell's ______________________________.

chromosomes

A matched pair of chromosomes are called: haploid homozygous diploid homologous

homologous


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