Show:
Mitosis
Meiosis
Mutations
Everything
Miscellaneous
100
Which of the following is a phase of mitosis?


A. Interphase

B. Telophase

C. S phase

D. G1 phase

B. Telophase
100
During meiosis, homologous chromosomes can exchange DNA in a process known as ________


A. replication

B. crossing over

C. cytokinesis

B. crossing over

100
What happens when there is a change in DNA as it is being replicated?
A mutation occurs
100
Who made the model of the double helix?
Watson and Crick
100
We can now treat some human diseases, such as sickle cell disease, by exchanging mutated genes with genes that are normal. What is this process called?


gene therapy
200
The process by which a cell divides into two genetically identical daughter cells is called _____________

A. Mitosis

B. Meiosis

C. cell division

D. Interphase

C. cell division

200
What does not provide new genetic combinations?


A. crossing over

B. sexual reproduction

C. Cytokinesis

D. Mutation

C. Cytokinesis

200
What is a deletion?
When a gene is missing in the replicated strand that was present in the original DNA strand
200
Pig Name:                Number of races won:

Molly                                   18

Polly                                    4

Zolly                                    10

Wally                                    16

Which 2 pigs would be the most likely to mate?

Molly and Wally
200
Which statement about the structure of DNA is not true?

A. DNA contains adenine, guanine, cytosine, and uracil

B. DNA is made of linked nucleotides which are each made of sugar, a phosphate, and a nitrogenous base

C. DNA consists of 2 strands joined together by complementary base pairing


A. DNA contains adenine, guanine, cytosine, and uracil

300
What is one difference in cytokinesis in plant and animal cells?


A. Both have centrioles

B. Both have cleavage

C. both have similar chromosomes

D. Both have similar cell plates


D. Both have similar cell plates

300
Spermatogenesis is the production of mature sperm. The result of spermatogenesis is 4 sperm cells, each with ________


A. Complete copies of all the original chromosomes

B. half the number of original chromosomes

C. strands of DNA that resulted from crossing over

B. half the number of original chromosomes

300
What process causes cells to develop a specialized form and function during cell division?

A. Differentation

B. Aggregation

Coordination

A. Differentation
300
The process of DNA replication is necessary before a cell ____________


Divides into 2 cells.
300
The F2 generation of pea plants consisted of 5,000 yellow seeds, and 1,500 green seeds. What is the ratio of yellow to green seeds?
3.3:1
400
Place the following words in order from beginning to end of mitosis


DNA duplication, Parent cell, Daughter cell

Parent cell, DNA duplication, Daughter cell
400
The correct number of chromosomes is maintained during fertilization in sexual reproduction by _______

A. chromosomes being copied immediately after fertilization of the gametes

B. Meiosis, which reduces the chromosome number of the gamete by one half

C. mitosis, which maintains the number of chromosomes in the daughter cells.

B. Meiosis, which reduces the chromosome number of the gamete by one half

400
Which organ(s) does human meiosis occur?


A. Skin

B. Testis (plural- Testes)

C. Liver

B. Testis (plural- Testes)

400
Which genotype is homozygous?

A. Pphh

B. PpHh

C. PPHh

D. ppHH

D. ppHH

400
Which of the following describes eugenics?

A. The study of genomes of eubacteria

B. The use of selective breeding and sterilizations to improve the human genome.

C. The combining of genes from 2 species to form new organisms


B. The use of selective breeding and sterilizations to improve the human genome.

500
What are the steps of mitosis in order, and explain what the phases look like.
Prophase, metaphase, anaphase, telophase
500
In human females, how many haploid daughter cells are produced after successful meiotic division of one cell.


A. 3

B. 4

C. 2

D. 1

B. 4
500
Explain why/how sexual reproduction results in greater genetic diversity than asexual reproduction.
New combinations of genes form through sexual reproduction
500
Which specific characteristic is unique to an individual?

A. The shape of DNA molecules

B. The number of chromosomes in each cell

C. The sequence of DNA nucleotides in cells

D. The size of each chromosome in a cell

C. The sequence of DNA nucleotides in cells

500
What is complementary DNA strand for the following?


A-A-G-A-C-C-T-G-T

T-T-C-T-G-G-A-C-A