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Which cells carryout out mitosis?
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Which cells carryout Meiosis?
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Module 6 Meiosis

QuestionAnswer
Which cells carryout out mitosis? -Cells in most places in the body, as the organism grows and develops. -Cells that need to replace other cells, such as blood cells that are replaced every few days. -Cells that need to repair damage tissue, such as in the skin.
Which cells carryout Meiosis? -Cells that will form gametes for sexual reproduction.
How does crossing over contribute to genetic variation? -It produces chromosomes that have maternal and paternal segments.
How does orientation of the homologous pairs during metaphase 1 contribute to genetic variation. -It randomly distributes paternal and maternal chromosomes into different cells.
Why are the cells haploid at the end of Meiosis 1? -Because the homologous chromosomes separated in the Meiosis 1.
Select all the statements that describe events in meiosis that contribute to genetic diversity? -Random orientation of the homologous chromosomes during metaphase 1 -Recombination of homologous chromosomes during prophase 1 -Random orientation of recombinant chromatids during metaphse 11
In which division do homologous chromosomes pair up and exchange sections of DNA? -Meiosis 1
In which division homologous chromosomes are separated into different cells, resulting in haploid cells? -Meiosis 1
In which division chromatids are separated into different cells? -Meiosis 2 and Mitosis
Alleles are: -one of two or more alternative forms of a gene that arise by mutation and are found at the same place on a chromosome
Gene Locus -a specific, fixed position on a chromosome where a particular gene or genetic marker is located.
If the Allele for brown hair is represented as "B" it would mean that -Brown hair is a dominant trait
Assuming that brown hair is a dominant trait, which of the following genotypes would show brown hair as a phenotype? BB and Bb
What is Mendel's advantage of studying pea plants? -Can breed large numbers of organisms in a small space -Can control who mates with who and do controlled crosses -The traits are easy to to see and quantify
Why do we have two alleles for each gene? -because we are diploid, we have homologous chromosomes that code for the same genes but may have different alleles -Because we inherit one allele from mom and one from dad
Which of these statements are true about alleles? -Alleles are located on the same area on the two homologous chromosomes -Alleles code for the same gene but may have different traits. -Alleles are sections of DNA that have different nucleotides sequences.
Which of the following statements are related to the Law of Segregation? -During Meiosis, the resulting gametes are haploid(containing only one version of each chromosome) -Parents only pass on one of their two(1 out of 2) alleles to their offspring
Which one of Mendels laws states that "the allele a gamete receives for one gene does not influence the allele received for another gene? -law of independent assortment
When we split the alleles from each parent into the Punnet Square, which one of Mendel's laws are applying? -Segregation
In a Dihybrid cross, when we assign equal possibilities to each of the different combinations of alleles a gamete could have, which one of Mendel's laws are we applying? -Independent Assortment
In a dihybrid cross, when we place every allele combination into each box of the Punnet square, which one of the Mendel's laws are we applying? Both
Which events in meiosis are responsible for the principle of segregation? -Separation of homologous chromosomes in anaphase 1 -Seperation of chromatids in anaphase 2
Which events in meiosis are responsible for the principle of independent assortment? -Crossing over in prophase 1 -Random orientation of homologous chromosomes in metaphase 1 -Random orientation of recombinant chromatids in metaphase 2
What is the genptype of individual 111-4 (see ipad pictures) Ff
Created by: sheilamatheu12
 

 



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