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For each genotype listed, what allele combinations
will occur in gametes?
a. AABBCC c. AaBBCc
b. AaBBcc d. AaBbCc
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- Considering only the five genes A, B, C, D, and E, how many genetically distinct gametes (i.e. gametes withdifferent genotypes) could be produced through independent assortment by an individual with the genotypeAABbCcDDEe? a. 4b. 8c. 16d. 64Use the product rule to determine the chance of obtaining an offspringwith the genotype Rr Yy from a dihybrid cross between parents withthe genotype Rr Yy.a. ½ c. 1/4b. ¼ d. 1⁄16The pea plants used in Mendel’s genetic inheritance studies were diploid, with 14 chromosomes in somatic cells. Assuming no crossing over events occur, how many unique gametes could one pea plant produce? a. 28 b. 128 c. 196 d. 16,384
- or each of the following genotypes how many gametes would be made? a. AaBb - b. AaBbCC - c. AABbCcdd - d. AabbCcDd -Assuming that independent assortment occurs during meiosis, what type(s) of gametes will form in individuals with the following genotypes? a. AABB b. AaBB c. Aabb d. AaBbOn occasion, a trait that appears to be autosomal is produced in unexpected ratios in male and female offspring. What is this an example of? A. codominance B. sex-linked genes C. multiple alleles D. amniocentesis
- How many different types of gametes could be produced by an individual of genotype (remember your simple multiplication regarding potential outcomes for EACH gene): a. aaBbCcDdEeffGG b. AabbCcDdeeFF c. aaBBccDDA. heterozygous blue-eyed man is marrying a homozygous brown-ayed woman. Determine the ratio of the following from the offspring. B. Genotype C. PhenotypeIn Mendel’s law, pairs of characters separate during gamete formation is called? A. Incomplete dominant B. Law of segregation C, Law of independent assortment D. Law of dihybrid
- Organism X has the genotype Ccdd. How many different types of gametes can it make and in what proportion? * A. 3 Cd 1 cd B. 1 CD: 1 Cd : 1 cD 1 cd C. 1 Cc : 1 dd D. 1 Cd 1 cd A human female "carrier" who is heterozygous for the recessive, sex-linked trait hemophilia (XHXH), marries a normal male (XHY). What proportion of their male progeny will show the trait? A. 1/4 B. 1/2 C. 0 D. AllWhat are the possible allele combinations that could be formed in the gametes produced from a parent with the genotype RrWw? Select one: a. RW, RW, rw, and rw b. RW, Rw, rW, and rw c. RW and rw d. RW, Rw, and rwWhy is there no trait (letter) on the y chromosome for males in this pedigree? A. Because the trait is X-linked (on the X chromosome) B. Because Ms. Premo made a mistake C. Because we never write anything on the y chromosome