Question 1: For each of the following terms, select the best definition: gene, p

Question

Question 1: For each of the following terms, select the best definition:

gene, phenotype, chromosome, genotype, allele, genome

2.DNA that provides the instructions for synthesizing various types of small RNA molecules1.The complete set of genetic material in a cellan observable trait (or traits) of an organism

3.DNA that provides instructions for building a proteina variant of a gene

4.DNA of no known function

5.The genetic composition that underlies a trait (or traits)

6.A single molecule of DNA & its associated "helper" molecules

7.The portion of DNA that controls when and where proteins are synthesized

Question 2: Fill in the blank with these terms: dependent variable, independent variable, y-axis, x-axis

Understanding graphs is an important skill in science, since being able to visually depict data is often useful for identifying patterns, and can sometimes be the only tool for easily evaluating whether or not the data supports your hypothesis. When viewing a graph, the______ is plotted on the______, and the______we are measuring is plotted on the_____. For example, in one of the photosynthesis experiments last week, temperature was the______, while the size of the bubble at the end of the experiment was the_____

Question 3: For each of the following terms, select the best definition:

diploid cell, haploid cell, fertilization, zygote, gamete, somatic cell

1. The merging of two gametes

2. Any cell in an organism, except those used for reproduction

3. A cell with only one copy of each gene

4. The process of cell division

5. The cells used for sexual reproduction (generally eggs & sperm)

6. The initial cell of an organism

7. A cell that is capable of differentiating into multiple types of specialized cells

8. A cell with two copies of each gene

Explanation / Answer

Question 3:

1)  diploid cell:  A cell with two copies of each gene

Contains two sets of chromosomes. Double the haploid chromosome number. Each pair of chromosomes in a diploid cell .

2) haploid cell:A cell with only one copy of each gene

cell has half the usual number of chromosomes. A normal eukaryotic organism is composed of diploid cells.

3) fertilization : The process of cell division

4)zygote : The cells used for sexual reproduction (generally eggs & sperm).

It a eukaryotic cell formed after fertilization event place between two gametes. The zygote's genome is a fusion of the DNA in each gamete, and contains all of the genetic information required to form a new individual.

5)gamete : The merging of two gametes.

It a haploid cell that fuses with another haploid cell during fertilization in organisms .

6) somatic cell:Any cell in an organism, except those used for reproduction

somatic cell also called as vegetal cell . Any biological cell forming the organism body.  In humans, somatic cells contain 46 chromosomes orderly into 23 pairs.

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