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DNA

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MORE DECKS TO EXPLORE

PRESENTATION OUTLINE

1.

DNA

  • Information cells “read” to know what to do
  • Makes up chromosomes
  • Found in the nucleus (of eukaryotes
  • Made up of sugar, phosphate and nitrogen bases
Photo by Alexander Popov
2.

GENE

  • Segments of DNA that carry hereditary information,located on chromosomes
Photo by National Cancer Institute
3.

CHROMOSOMES

  • Hereditary material that controls all activities in the cell
  • The cells instruction manual
  • A molecule that looks like a twisted latter
Photo by David Ascher
4.

GENETICS

  • The study of how biological parents and their off spring have similar or different traits
Photo by David Reeves
5.

DOMINANT

  • The trait that seems to appear ( is observed ) in an organism
Photo by **Mirm**
6.

GENOTYPE

  • Located within a cells nucleus, made up of DNA, humans have 23 pairs
Photo by Steve took it
7.

ALLELE

  • An inherited combination of alleles
Photo by IRRI Images
8.

RECESSIVE

  • The different forms that a single gene can take
Photo by Ingrid Taylar
9.

HEREDITY

  • The passing of traits from parents off spring
Photo by Kristie's NaturesPortraits
10.

PHENOTYPE

  • An organism’s inherited appearance or looks
Photo by mrsdkrebs
11.

HOMOZYGOUS

  • A genotype with two of the same alleles
Photo by Bruce Stokes
12.

SEX CELLS

  • An egg or sperm cell. It carries half the number of chromosomes as other cell types
Photo by NIAID
13.

HETEROZYGOUS

  • A genotype with two different alleles
Photo by npicturesk

Avery Batala