The possible parents of a cross with F1 phenotypic ratio of 1:1 is i. Aa x Aa ii. Aa x aa iii. Aabb x aabb iv. AaBb x AaBb O i and iv O i and ii O i and ii O i only
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- /d/1n5NtidRwTwUzcDkDPi5Z9P_SHPZ91A-XH-pfftLbhNc/edit (1) O pols Add-ons Help Last edit was seconds ago BIUA ミ: 12 + ext Calibri I|1 6 I 2 Section 5: Trihybrid cross and Laws of probability For a trihybrid cross, in which inheritance of alleles for three genes is tracked, drawing a Punnett square that combines all three genes may not be practical. Instead the laws of probability may be used. The product law of probabilities says that when alleles for separate genes segregate independently, we can figure out the probability of a particular combined genotype by multiplying the probability of the alleles for each gene. 13. We cross a homozygous tall pea plant with yellow, round seeds to a homozygous dwarf pea plant with green, wrinkled seeds. All the F1 offspring are all tall plants with yellow, round seeds. a. What are the expected F2 ratios (use fractions) of tall and dwarf plants? b. What are the expected F2 ratios (use fractions) of yellow and green seeds? C. What are the expected F2…is thal ui ANensn hilia is an inherited genetic disorder linked to the nosome that results in ineffective blood clotting when a blood is damaged. The most common type, hemophilia A, occurs 5000 male births. Any male who carries the gene will express enotype. Hemophilia is extremely rare in women. Parents Carrler female Normal male couple wish to have children. The woman knows she a rrier for hemophilia. The man is not a hemophiliac. Use e notation Xh for hemophilia and XH for the dominant ele to complete the diagram on the right including the arent genotypes, gametes and possible fertilizations. rite the genotypes and phenotypes in the table below. XY XhXh Gametes Xh Xh Genotypes Phenotypes Possible lertilizations Male children XhY Xhx XhY XhX Paternal gametes Paternal gametes Female children 00 00 A second couple also wish to have children. The woman knows her maternal grandfather was a hemophiliac, but neither her mother or father were. Determine the probability she is a carrier…Reasons for not observing typical 3:1 or 9:3:3:1 ratio in some crosses (genetics)
- What blood types are possible among the children of a cross between a man who is blood-type A and a woman of blood-type B? I would like to see the cross if its possibleBlood Types Person Genotype Bloot ty)re Father IAi A+ Child Ii Mother #1 IAIB AB- Mother #2 IAi B+ A lawyer is collecting evidence in a maternity case to determine wh. o the child's father is. The above table shows the people involved in the case as well as their genofypes and blood types. a. Using Punnett square, show who would most likely be the motl ier of the child. Mother #2 to get the ii /D blood type. b. If Mother #1 and a O+ man were to have children, what are the poss ible Elood types of their children as well as the probabilities for each blood type?Complete the punnet square and determine the PR of the cross. Dihybrid Cross F Phenotypic ratio RY Ry rY ry (Dom/Dom) Round/Yellow: RY Given: (Dom/Rec) Ry Round/green: P= RrYy x RrYy (Rec/Dom) rY wrinkled/Yellow: ry (Rec/Rec) wrinkled/green: 7
- Show Comments Track Changet O Markup OptionS Track Changes wious Next Genetics Lab Exercise (by Dr. Lapik) Question 2. 田 BB = black Analyze the following dihybrid cross: Bb = black Parents: bbLI bb = white LL = short hair U = short hair Gametes: U= long hair Punnett Square: How many of the offspring are: Black, Short Black, Long White, Short White, Long Autupay Credentials Username ENNIN CitrixNormal No Spac Hemophilia is a blood clotting disorder that almost exclusively affects males. It is a sex-linked, recessive disorder (X). Using the details below, fill in the Punnett square to determine the percent probability of the couple having a child with hemophilia. Mother Father -carrier of -does not have hemophilia hemophilia -genotype XHX -genotype XY Mother. XH. Xh Father Probability of offspring having hemophilia: OFocusWhich of the following accurately represents proper genotypes for a dihybrid cross? Group of answer choices RRrr x DdDd purple & white RrDd x RrDd RD x Rd Zip x Gly
