Genetics Answers

Fill the blanks to complete the statements related to concepts important in Genetics

What is DNA?

1. Instructions for providing information for a living 

organism to grow and reside in a cell are called____. 

2. Where is the nucleus located?__

3. Encoding a detailed set of plans for building parts of the cell is called ____.

4. DNA stands for ____.

5. A always pairs with __, and C always pairs with __.

What is a gene?

1. Instruction manuals for our bodies are called ____.

2. Of the ____ genes in the body only a few are used for making hemoglobin.

3. Since genes contain instructions for building proteins, one example of a protein would be ____.

What is a chromosome?

1. How much DNA is in a single human cell?__

2. When the sperm and egg cells join, they form a 

___ cell.

3. Each child born to a set of parents has a ____ combination of chromosomes.

GUIDE QUESTIONS

How does protein form using the information of DNA? Explain by completing the missing information below.

Protein synthesis is the process used by the body to make proteins.(1.) ____ and (2.) _____are the two stages that occur in protein synthesis. Transcription is the (3.) _____ which takes place in the (4.)____.Where (5.) ____ is decoded into (6.)___ and the (7.) ____ of (8.) ________ moves from the (9.)_____ to the (10.)_____ _where proteins are synthesized in the (11.) ______. The (12.)_____ part of protein synthesis is (13.)_______. Translation is (14.)___ of protein synthesis that occurs at the ribosome.Where the (15.) ____ bond with (16.)_____. Then, (17.) _____ helps create (18.)_____between (19.)____ creating a (20.) ____ that may undergo additional processing to create a finished (21.)____.

Which of the following statement is correct? a. Promoters of highly tissue specific genes usually have CpG islands. b. GC boxes are essential for transcription c. transcription is highly regulated process d. TATA boxes are essential for transcription e. all of the options are correct

Explain why the Mendelian inheritance does not apply to the inheritance of alleles in individuals with Tay Sachs disease

Answer the following questions.

1. Describe briefly the different allied fields of genetics

2. Draw a Time Line of genetics specifying important highlights from 1950’s to present.

Assignment to work on:

1. What is genetics?

2. Allied branches of genetics.

3. Importance of studying genetics.

Possible phenotypes

Fast/Red____ : Fast/Grey ____ : Slow/Red ____ : Slow/Grey ____

In guinea pigs, black fur is dominant over white fur. If a homozygous dominant guinea pig were crossed with a homozygous recessive guinea pig, the first generation of offspring would _____. Select all that apply.

be heterozygous

be phenotypically identical

have all black fur

have half black fur and half white fur

be homozygous

 Which of the following is not an example of a trait that has more than two variations?

eye color

handedness

freckles

ability to roll tongue

Which of the following describes the state of chromosomes in metaphase II?

two chromatids joined at the centromere

individual chromosomes

homologous pair

haploid daughter cells