2118980
Descrição
Quiz por Julia Miranda, atualizado more than 1 year ago
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Criado por Julia Miranda
quase 10 anos atrás
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Questão 1
Questão
The diploid cell that the sperm and egg make when fertilized is called the...
Responda
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Zygote
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Homologous chromosome
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Meiosis
Questão 2
Questão
Oogenesis yields...
Responda
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4 sperm cells
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A zygote
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1 egg cell and 3 small polar bodies
Questão 3
Questão
Spermatogenesis yields...
Responda
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1 egg
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3 polar bodies
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4 similar-sized sperm cells
Questão 4
Questão
Meiosis is the...
Responda
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Replication and division of somatic cells
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Replication and division of chromosomes
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Replication and division of sex cells
Questão 5
Questão
One sex cell (1 sperm of 1 egg) is...
Responda
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Haploid
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Diploid
Questão 6
Questão
What separates during meiosis I?
Responda
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Sister chromatids
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Homologous chromosomes
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Homozygous alleles
Questão 7
Questão
What separates during meiosis II?
Responda
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Homologous chromosomes
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Sister chromatids
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Cells
Questão 8
Questão
What is synapsis?
Responda
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The pairing of 2 homologous chromosomes during meiosis
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The division of the cytoplasm
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Exchange of genetic material
Questão 9
Questão
What is "crossing over"?
Responda
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The pairing of 2 homologous chromosomes
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The separation of dominant and recessive alleles
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Exchange of genetic material between homologous chromosomes which results in recombinant chromosomes
Questão 10
Questão
During Metaphase I...
Responda
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Homozygous alleles line up
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Sister chromatids line up single-file
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Homologous pairs line up in the middle
Questão 11
Questão
During Metaphase II...
Responda
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Homologous pairs line up in the middle
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Sister chromatids line up single-file
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Recessive alleles appear in the phenotype
Questão 12
Questão
What does meiosis ultimately yield?
Responda
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Four sperm cells
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2 diploid cells
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4 haploid cells
Questão 13
Questão
What does dominant mean?
Responda
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Inherited characteristics which appear in an organism
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Inherited characteristics carried by an organism
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A genetic disease
Questão 14
Questão
What is the difference between genotype and phenotype?
Responda
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Genotype is the physical or visible characteristics; phenotype is the genetic makeup
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Genotype is the sex cells; phenotype is the somatic cells
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Genotype is the genetic makeup; phenotype is the visible or physical characteristics
Questão 15
Questão
What is an allele?
Responda
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Another word for gametes (sex cells)
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One homologous chromosome
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An alternative form of a gene
Questão 16
Questão
What is the difference between heterozygous and homozygous?
Responda
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Homozygous means that the alleles controlling a characteristic are the same; heterozygous means they are different
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Homozygous means the alleles controlling a characteristic are different; heterozygous means they are the same
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Homozygous means that the chromosomes are defective; heterozygous means they are normal
Questão 17
Questão
What is a Punnett Square?
Responda
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A fun little square you draw when you're bored
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A chart that shows different sex cells
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A diagram showing all the possible outcomes of a genetic cross between two individuals
Questão 18
Questão
What is Mendel's Law of Dominance?
Responda
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Mendel is the supreme ruler of everyone, especially geneticists
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Gene pairs separate during meiosis and recombine randomly at fertilization
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Dominant genes mask recessive genes in heterozygous conditions
Questão 19
Questão
What is Mendel's Law of Segregation?
Responda
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Dominant genes mask recessive genes in heterozygous conditions
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Jeans of different colors cannot be near each other in your closet
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Gene pairs separate during meiosis and recombine randomly at fertilization
Questão 20
Questão
What is incomplete dominance?
Responda
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When genes cannot agree on where to go out to dinner
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Pattern of inheritance where neither allele is dominant. Both alleles contribute to the phenotype
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When the genotypes do not match the phenotypes
Questão 21
Questão
What is codominance?
Responda
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Pattern of inheritance where neither allele is dominant
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Pattern of inheritance where both alleles are dominant
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Genetic equality
Questão 22
Questão
What are multiple alleles?
Responda
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When there are multiple alleles for a trait
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Where is are at least 10 different alleles for one trait
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When one allele is responsible for several different traits
Questão 23
Questão
Where are linked genes carried?
Responda
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One different chromosomes
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In different cells
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On the same chromosome
Questão 24
Questão
Where are unlinked genes carried?
Responda
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On the same chromosomes and inherited together
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On different cells and not even interacting
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On different chromosomes and show independent assortment
Questão 25
Questão
What is a sex-linked trait, and who discovered them?
Responda
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A trait which always appears no matter what, discovered by Gregor Mendel
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A recessive trait, discovered by Copernicus
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Genes that are carried on sex chromosomes, discovered by Thomas H. Morgan
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