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FREE BIOLOGY AND STUDY GAMES ABOUT CH 7
GENETICS EXAM QUESTIONS
Actual Qs and Ans Expert-Verified Explanation
This Exam contains:
-Guarantee passing score -20 Questions and Answers -format set of multiple-choice -Expert-Verified Explanation
Question 1: An organism's physical appearance, or visible traits.
Answer:
PHENOTYPE
Question 2: A chart that shows all the possible combinations of alleles that can result from a genetic cross.
Answer:
PUNNETT SQUARE
Question 3: A number that describes how likely it is that an event will occur.
Answer:
PROBABILITY
Question 4: Having two identical alleles for a trait.
Answer:
HOMOZYGOUS
Question 5: The process in which an egg cell and a sperm cell join to form a new organism.
Answer:
FERTILIZATION
Question 6: An allele that is masked when a dominant allele is present.
Answer:
RECESSIVE ALLELE
Question 7: The offspring of many generations that have the same traits.
Answer:
PUREBRED
Question 8: The scientific study of heredity.
Answer:
GENETICS
Question 9: The set of information that controls a trait; a segment of DNA on a chromosome that codes for a specific trait.
Answer:
GENE Question 10: An organism that has two different alleles for a trait; an organism that is heterozygous for a particular trait.
Answer:
HYBRID
Question 11: A condition in which neither of two alleles of a gene is dominant or recessive.
Answer:
CODOMINANCE
Question 12: The different forms of a gene.
Answer:
ALLELES
Question 13: Having two different alleles for a trait.
Answer:
HETEROZYGOUS
Question 14: The passing of traits from parents to offspring.
Answer:
HEREDITY
Question 15: A characteristic that an organism can pass on to its offspring through its genes.
Answer:
TRAIT Question 16: The process that occurs in the formation of sex cells (sperm and egg) by which the number of chromosomes is reduced by half.
Answer:
MEIOSIS
Question 17: An allele whose trait always shows up in an organism when the allele is present.
Answer:
DOMINANT ALLELE
Question 18: An organism's genetic makeup, or allele combinations.
Answer:
GENOTYPE
Question 19: RNA that copies the coded message from DNA in the nucleus and carries the message into the cytoplasm.
Answer:
MESSENGER RNA
Question 20: RNA in the cytoplasm that carries an amino acid to the ribosomes and adds it to the growing protein chain.
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