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BIOLOGY GENETICS STUDY GUIDE QUESTIONS AND ANSWERS

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  • Course
  • GENETICS
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  • GENETICS

BIOLOGY GENETICS STUDY GUIDE QUESTIONS AND ANSWERS

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  • September 23, 2024
  • 69
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • GENETICS
  • GENETICS
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83 Multiple choice questions

Definition 1 of 83
twice as many chromosomes as gametes

gametes

body cells

chromosomes

haploid

Definition 2 of 83
physical characteristics, what it looks like
tall/short, green/yellow

homozygous

alleles

genetics

phenotype

Definition 3 of 83
both alleles are expressed
-black and white feathers on chickens: erminette

independent assortment


dominant

co-dominance


heterozygous

,Definition 4 of 83
do not show actual results

Homologous Chromosomes


Independent Assortment

Alleles


Punnett Squares

Definition 5 of 83
crossed sections of chromatids are exchanged producing new combinations of alleles
-occurs during Prophase I

independent assortment

crossing-over


mitosis

meiosis

Definition 6 of 83
sex cells, produced from meiosis

gametes


alleles

homologous chromosomes

diploid

,Definition 7 of 83
one of 2 identical 'sister' parts of a duplicated chromosome
-replicants from Interphase I

haploid


tetrad

chromatid

chromosomes

Definition 8 of 83
sometimes separates genes that had been on the same chromosome onto homologous
chromosomes

chromosome replication during mitosis

genetic drift during reproduction

crossing-over during meiosis


gene linkage

Definition 9 of 83
apply to all organisms

Example of incomplete dominance

True breeding

Polygenic inheritance

Mendel's principles of genetics

, Definition 10 of 83
determined by genes and passed from parents to offspring

variations of traits


overproduction of offspring

inheritance of traits

polygenic traits

Definition 11 of 83
diagram that shows possible genotypes of offspring

Crossing-over

Punnett square

Phenotype

Gene map

Definition 12 of 83
offspring that result from crosses between true-breeding parents with different traits

homozygous

hybrid

phenotype

heterozygous

Definition 13 of 83
both alleles for a trait are identical TT, tt

phenotype

homozygous

alleles

heterozygous

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