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College Culinary Arts
Hybrid grape varieties are                                                         .
  1. a cross between vitis vinifera and another vitis species
  2. a cross between two types of vitis vinifera vines
  3. reproduced from a cutting
  4. not used to create Phylloxera-resistance rootstocks
Grade 7 DNA, RNA, and Genetics
Grade 5 DNA, RNA, and Genetics
College Evolution
Two populations that were formerly geographically isolated have come into contact. Which of the following would most likely favor the evolution of pre zygotic isolating mechanisms?
  1. Hybrid offspring have higher mortality rates than non hybrid offspring
  2. Hybrid offspring have higher reproductive success than non hybrid offspring
  3. Hybrid offspring have higher fitness than non hybrid offspring
  4. Hybrid offspring live longer than non hybrid offspring
Grade 6 DNA, RNA, and Genetics
Which two words are synonyms?
  1. hybrid and homozygous
  2. hybrid and heterozygous
  3. purebred and heterozygous
  4. purebred and different
Grade 7 DNA, RNA, and Genetics
An organism with two identical alleles for a trait is
  1. a hybrid.
  2. homozygous.
  3. heterozygous.
Grade 9 DNA, RNA, and Genetics
The hybrid offspring of the P generation is the
  1. F1 generation.
  2. F2 generation.
  3. P2 generation.
  4. S generation.
Grade 7 DNA, RNA, and Genetics
What is a synonym for homozygous?
  1. heterozygous
  2. purebred
  3. hybrid
Graduate DNA, RNA, and Genetics
Grade 10 DNA, RNA, and Genetics
Organisms that have two identical alleles for a particular trait are
  1. hybrid.
  2. heterozygous.
  3. homozygous.
  4. dominant.
Grade 7 DNA, RNA, and Genetics
When a dominant allele is present, the genotype will be
  1. recessive.
  2. purebred.
  3. hybrid.
  4. dominant.
Grade 10 DNA, RNA, and Genetics
The continuous breeding of individuals with similar characteristics is
  1. inbreeding.
  2. hybridization.
  3. cloning.
  4. overbreeding.
Grade 10 DNA, RNA, and Genetics
The different forms of a gene are
  1. traits.
  2. pollinations.
  3. alleles.
  4. hybrids.
Grade 6 DNA, RNA, and Genetics
College Atomic Structure
What is the energy of a [math]sp^(3)[/math] hybridized orbital?
  1. -3456 kJ/mol
  2. -5935 kJ/mol
  3. -2345 kJ/mol
  4. -3267 kJ/mol
Grade 10 DNA, RNA, and Genetics
What are organisms that have two identical alleles?
  1. homozygous
  2. hybrid
  3. dominant
  4. heterozygous
Grade 10 DNA, RNA, and Genetics
Organisms that have two identical alleles for a particular trait are
  1. hybrid.
  2. homozygous.
  3. heterozygous.
  4. dominant.
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