Genetics Review 2: Question Preview (ID: 28404)


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Genes carry information that determines our
a) genotype b) traits c) DNA d) heredity
As a result of asexual reproduction, the daughter cells are
a) different. b) identical. c) d)
What did Gregor Mendel complete his studies on?
a) Dogs b) Dinosaurs c) Pea Plants d) Bumblebees
What is a genotype? Give an example.
a) The physical appearance of an organism. Ex: GG b) The physical appearance of an organism. Ex: Eye color c) The genetic makeup of an organism. Ex: Hair Color d) The genetic makeup of an organism. Ex: gg
What makes up a nucleotide?
a) Sugar b) Phosphate c) Base d) All of these make up a nucleotide
Explain Mendel's studies and what he discovered.
a) He crossed pea plants and discovered that one trait is dominant over the other. b) He discovered that genes are located on chromosomes. c) He crossed pea plants and discovered asexual reproduction in plants. d)
Where are genes located?
a) on nucleotides b) on DNA c) on chromosomes d) on cells
How many chromosomes are in sex cells of humans?
a) 46 b) 23 c) 10 d) 50
What is the purpose of a punnett square?
a) To predict the genotype of the offspring b) To predict the phenotype of the offspring c) To predict the genotype and phenotype of the offspring d) To label an organism
What is genetics?
a) The study of how traits are passed from parent to offspring. b) The study of cells. c) The passing of traits from parents to offspring. d) Receiving traits from grandparents
What makes up a gene?
a) Many nucleotides b) Tightly coiled DNA c) Similar chromosomes d) Different chromosomes
If a cell has 25 chromosomes, how many will it have after it undergoes mitosis?
a) 50 b) 13 c) 25 d) 30
What is a phenotype? Give an example.
a) The physical appearance of an organism. Ex: Height b) The physical appearance of an organism. Ex: Gg c) The genetic makeup of an organism. Ex: Hair color d) The genetic makeup of an organism. Ex: GG
What's the difference in asexual and sexual reproduction?
a) Asexual: 2 parents/identical offspring. Sexual: 1 parent/ different offspring b) Asexual: 1 parent/different offspring. Sexual: 2 parents/ identical offspring c) Asexual: 2 parents/ different offspring. Sexual: 1 parent/ identical offspring d) Asexual: 1 parent/ identical offspring. Sexual: 2 parents/ different offspring.
What does meiosis produce?
a) Liver cells b) Sex cells c) Skin cells d) Neurons
Bacteria dividing by binary fission is an example of
a) asexual reproduction. b) sexual reproduction. c) both types of reproduction d) neither type of reproduction
Why would farmers practice selective breeding?
a) To produce crops that require a lot of water b) To produce crops that are resistant to disease c) To produce crops that are sensitive to extreme heat d) To produce crops that require more fertilizer
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