Complete the sentences with the correct terms 1. The Law of Indepdent Assortment is based on Mendel's experiments with (Click to select) 2. Mendel's Law of Independent Assortment states that two different (Click to select) will be randomly assorted into the gametes. 3. Due to the Law of Independent Assortment the probability of different alleleic combinations being present in a gamete is calculated by the (Click to select) of the frequencies of those alleles. 4. The Law of Independent Assortment applies to meiosis in (Click to select) 5. If 100 different ova from an SsRr individual are genotyped the number of ova that would have the SR allelic combination would be predicted to be (Click to select)
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1. Answer The Following: a) Which of the following statements best describes the difference between Mendel's Law of Segregation and Mendel's Law of Independent Assortment? The Law of Segregation is about the separation of the alleles of 1 gene but the Law of Independent Assortment is about the separation of sets of alleles from two or more genes. The Law of Segregation is about alleles and the Law of Independent Assortment is about traits The Law of Segregation is about the separation of the alleles of two genes but the Law of Independent Assortment is about the separation of the chromatids. The Law of Segregation is about events happening in mitosis and the Law of Independent Assortment is about events happening in meiosis. b) Which of the following is the result of non-disjunction during Meiosis? trisomy 21 genomic imprinting X-inactivation organelle inheritance all of the above c) How do geneticists determine the distance between two linked genes? They do a test cross that provides the data they need to calculate recombination frequency. They do a parental cross between true breeders and then count the number of total offspring They measure the distance with a very tiny ruler, but it must be metric. none of the above is correct d) A segment of a DNA molecule has a total of 800 nucleotide monomers in its DNA sequence. Of these, 200 nucleotide monomers have the base A. How many nucleotides in this DNA segment have base C? {Remember, DNA exists as a double stranded helix.) 200 100 600 400 e) Which of the following has this specific function in cells? They protect genes from erosion by providing a zone of non-coding DNA at the ends of linear DNA molecules. Barr body promoter sequence G' Cap single stranded binding protein telomeres
Josee P.
QUESTION 3 Match the two genetics laws developed from Mendel's experiments with the correct descriptions. There is an equal chance of either the maternal copy or the paternal copy of a chromosome ending up in a gamete. Each chromosome of a homologous pair is split during Meiosis. There is a 50% chance that a sperm received an X chromosome. There is a 50% chance that the sperm received a Y chromosome. Nondisjunction occurs when there is an error and paired chromosomes do not separate properly during Meiosis. This would be a deviation from which law? QUESTION 4 In your Punnett Square activity, you chose beads which represented genes and used Punnett Squares to determine possible offspring. If your first parent genotype was yellow bead and blue bead and the second parent genotype was blue bead and blue bead, how many offspring out of 4 have the genotype yy? QUESTION 5 In your Punnett Square activity, you chose beads which represented genes and used Punnett Squares to determine possible offspring. If your first parent genotype was yellow bead and blue bead and the second parent genotype was blue bead and blue bead, how many offspring out of 4 have the yellow kernel phenotype?
Sri K.
1A) Match Mendel's laws with their descriptions. - Law of Segregation - Law of Independent Assortment Group of answer choices: - States that gametes will inherit both copies of a gene - States that two traits are inherited independently from each other - States that a gamete can inherit one of two alleles from the parent 1B) Match Mendel's laws with what happens during meiosis. - Law of Segregation - Law of Independent Assortment Group of answer choices: - Occurs because sister chromatids are pulled apart during meiosis - Occurs because homologous chromosomes migrate and line up independently from each other during meiosis I. - Occurs because homologous chromosomes are pulled apart in meiosis I. 1C) Eye color in fruit flies was one of the first sex-linked traits identified. In flies, the gene for eye color is found on the X chromosome. The red eye allele is dominant (R) and the white eyes allele is recessive (r). Like in humans, male flies are XY and female flies are XX. If you crossed a red eye male (XRY) with a heterozygous female (XRXr), what percent of male flies is expected to have white eyes?
Dominador T.
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