Growth Flashcards

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1
Q

Define mitosis

A
  • type of nuclear division
  • production of 2 daughter nuclei that are genetically identical
  • daughter nuclei have same no. of chromosomes as parent nucleus
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2
Q

Chromosomes

A
  • rod-like structure visible in nucleus

- made up of deoxyribonucleic acid (DNA) and histone proteins

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3
Q

Homologous chromosomes

A
  • exist in pairs
  • one maternal, one paternal
  • same gene loci, length, centromere position, different alleles
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4
Q

Growth in plants

A
  • restricted to growing points (the tips of roots and shoots)
  • occur throughout life of plant
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5
Q

Growth in animals

A
  • occurs throughout body

- stops aft certain age (when animal rches maturity)

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6
Q

Types of cell division

A
  • mitosis

- meiosis

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7
Q

Mitosis

A
  • involved in growth and development

- produces genetically identical cells

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8
Q

Meiosis

A
  • involved in reproduction

- produces genetically diff cells

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