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How many alleles does a man have for a gene that is found on an autosome?. 0 1 2 4. What process is illustrated and when does it occur?. Kinetochore attachment: prophase I Recombination: fertilization Crossing over: prophase I Recombination: prometaphase.

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what process is illustrated and when does it occur
What process is illustrated and when does it occur?
  • Kinetochore attachment: prophase I
  • Recombination: fertilization
  • Crossing over: prophase I
  • Recombination: prometaphase
which of the following is a testcross
Which of the following is a testcross?
  • AaBb x AaBb
  • AaBB x aaBB
  • aabb x aabb
  • AaBb x aabb
what is the phenotypic ratio of the following cross aa x aa
What is the phenotypic ratio of the following cross? Aa x Aa
  • 3 Aa: 1 Aa
  • 1AA: 2Aa: 1aa
  • 3 black: 1 white
  • 1 black: 2 lethal/dead: 1 white
which of the following genotypes is incorrectly paired with its phenotype r rh r rh
Which of the following genotypes is incorrectly paired with its phenotype?(R: Rh + / r: Rh-)
  • IBIB rr  B-
  • IBi Rr  B+
  • ii Rr  O-
  • IAIB Rr  AB+
which chromosome is absolutely necessary for an embryos survival
Which chromosome is absolutely necessary for an embryos survival?
  • Autosome Y
  • Sex chromosome Y
  • Sex chromosome X
  • All of the above
which of the following inheritance patterns is incorrectly paired with its definition
Which of the following inheritance patterns is incorrectly paired with its definition?
  • Autosomal recessive: organism needs 2 alleles to show phenotype
  • Pleiotropy: several genes encode information for 1 phenotype
  • Epistasis: 1 gene can suppress effect/product of another gene
  • Sex-linked recessive: women need 2 alleles and men need 1 allele to show phenotype
what is the function of pcr
What is the function of PCR?
  • Increase the amount of specific DNA regions
  • Identify an individuals genotype
  • Provide a DNA fingerprint
  • Test for paternity
  • All of the above
why do dna fragments move in gel electrophoresis
Why do DNA fragments move in gel electrophoresis?
  • They are small
  • They are nonpolar
  • They have a negative charge
  • They are ionic
what is the function of restriction enzymes in biotechnology
What is the function of restriction enzymes in biotechnology?
  • Anneal to DNA
  • Splice DNA
  • Elongate DNA
  • Seal DNA
which of the following is an example that could lead to sympatric speciation
Which of the following is an example that could lead to sympatric speciation?
  • A polyploidy plant
  • A diploid plant
  • 2 species of squirrel separated by the Grand Canyon
  • A & C
which of the following is not a condition of hardy weinberg
Which of the following is NOT a condition of Hardy-Weinberg?
  • Small population
  • No mutation
  • Random mating
  • No gene flow
  • No natural selection
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A disease is inherited recessively. If the frequency of the A allele in a population is 0.4, what would be the frequency of inheriting the disease?

  • 40%
  • 16%
  • 60%
  • 36%
what is convergent evolution
What is convergent evolution?
  • Evolution of similar phenotype in very distantly related lineages
  • Evolution of similar phenotype in closely related lineages
  • Accumulation of differences between groups which may lead to speciation
  • Convergent evolution is synonymous with adaptive radiation.
a change in allele frequency would be most likely in which situation
A change in allele frequency would be most likely in which situation?
  • When an ecosystem is stable
  • After a massive hurricane
  • If a region goes through a severe drought
  • All of the above
  • B & C