complete quiz 2

for this assignment please complete the quiz it is 10 questions multiple choice.

QUESTION 1

1. Which of the following is correct?

   		Chromosomes are created by mitosis and genes are created by meiosis.
   		Humans have thousands of chromosomes per cell.
   		Humans have 46 chromosomes in each cell except the sperm and ova.
   		Genes are smaller versions of chromosomes.

1 points

QUESTION 2

1. The process of cell division that creates reproductive cells (sperm, ova) is called

   		mitosis
   		meiosis
   		differentiation
   		cleavage

1 points

QUESTION 3

1. How many chromosomes does a Down syndrome child have?

   		46
   		47
   		48
   		49

1 points

QUESTION 4

1. Tracy and Grant are both carriers for cystic fibrosis. What are the chances that their child will be a carrier for the disease?

   		40%
   		50%
   		25%
   		100%

1 points

QUESTION 5

1. The Human Genome Project is one of the largest scientific projects ever funded by the federal government. Its purpose is to

   		map out the entire structure of human genes.
   		map out the progress of prenatal development.
   		determine how genes influence behavior.
   		prevent diseases.

1 points

QUESTION 6

1. Most inherited characteristics are carried on the 22 pairs of chromosomes called

   		androsperm
   		sex chromosomes
   		autosomes
   		gametes

1 points

QUESTION 7

1. All cells in the human body have the same number of chromosomes except the

   		liver
   		gene
   		brain
   		sex

1 points

QUESTION 8

1. What structures contain the information that guides development?

   		genes
   		chromosomes
   		zygotes
   		alleles

1 points

QUESTION 9

1. A gene whose code is not expressed unless a similar allele is present is called a(n)

   		recessive gene.
   		dominant gene.
   		allele.
   		zygote.

1 points

QUESTION 10

1. In a normal male,

   		there are two X chromosomes present in the autosomes.
   		there is an X and Y chromosome present in the autosomes.
   		there are two X chromosomes in the 23rd pair of chromosomes on the karyotype.
   		there is an X and Y chromosome in the 23rd pair of chromosomes on the karyotype.

1 points

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