Meiosis
More Meiosis
Mendel
Genetics Basics
Punnett Squares
100
Meiosis is the process by which reproductive cells are made. This is another term for reproductive cells.
What is gamete?
100
This is the number of cells produced by meiosis.
What is 4?
100
This is the type of plant Mendel worked with.
What is the pea plant?
100
This is the term for a genotype containing two dominant or two recessive alleles.
What is homozygous?
100
Of the following, this is the piece of information that Punnett squares do NOT supply: genotypes of the parents; possible genotypes of the offspring; possible phenotypes of the offspring; actual genotypes/phenotypes of the offspring.
What is actual genotypes/phenotypes of the offspring?
200
Meiosis produces haploid cells. This is the symbol to note that a cell is haploid.
What is N?
200
This is the term for when two gametes join together.
What is fertilization?
200
This is the name for the generation of plants that are purebred / homozygous organisms.
What is the P generation?
200
This is the term for the different forms of a gene.
What is allele?
200
This is the percentage of the offspring expected to be heterozygous when two heterozygous parents are crossed.
What is 50%?
300
This is the number of chromosomes you'd expect to find in a human cell following meiosis.
What is 23?
300
This is the term for the process during which homologous chromosomes exchange parts.
What is crossing over?
300
This is the term for the plants produced by crossing P generation plants with differing characteristics.
What is the F1 generation?
300
This is the term for the generation produced by crossing two F1 organisms.
What is F2?
300
Two parents with brown eyes have two children with blue eyes. (Assume that only one gene for eye type is involved.) This is how this is possible.
What is the parents were heterozygous for their brown eyes and blue eyes are recessive.
400
When a cell with 52 chromosomes undergoes meiosis, you can expect the gametes to have this many chromosomes.
What is 26?
400
This is the number of cell divisions in meiosis.
What is 2?
400
The pea plants that Mendel worked with reproduced naturally through what process?
What is self-pollination / self-fertilization?
400
This is how many copies of a dominant allele need to be present to see the dominant trait - and how many copies of a recessive allele have to be present to see the recessive trait. (two numbers)
What are 1 and 2?
400
In mice, black fur is dominant to white. Two black mice are crossed and produce two black offspring and one white offspring. If the white offspring is crossed with one of its parents, what percent of the offspring are expected to be white?
What is 50%?
500
This is the phase during which crossing over occurs in meiosis.
What is prophase i?
500
These are two differences between meiosis and mitosis.
What are: 4 cells versus 2; the cells in meiosis are haploid whereas the cells produced in mitosis are diploid; the cells in meiosis are genetically different whereas the cells produced through mitosis are genetically identical
500
The purpose of Mendel's work was to determine this about traits.
What is how they are passed on/inherited?
500
If you have a phenotypic ratio of 3:1 and have 9000 organisms with the dominant phenotype, this is approximately how many would you expect to see with the recessive phenotype.
What is 3000?
500
A white mouse whose parents are both white produces only brown offspring when mated with a brown mouse. The white mouse is probably this.
What is homozygous recessive?
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