Consider the mating between two carriers for the recessive allele that causes albinism, Aa x Aa. Determine the ratio of expected genotypes from this cross using a Punnett square. What is the probability that the first child will be Aa?
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- feeve uld eved lliw en isnebi l Hiwi shi Seeye euld eved lliw erde 1o erd ,lemetst ai niwi nerth ino AaBbC X AaBbCc, niwt1er would be the probability of offspring with: 4. Based on the mating a.) either the phenotype A-bbC- or the genotype aaBBCC? b.) the genotype AABBCC or the genotype AaBbCc?In individuals affected by cystic fibrosis, salt crystals may appear afterperspiration dries up. In addition, the disease causes respiratory disorderswhich can be both debilitating and lethal. It occurs in individuals homozygousfor recessive gene. If 2 normal parents had a daughter with the symptoms ofthis disease, and a normal son, what is the probability that he might be acarrier of the recessive gene?Express answer in fraction form.2The allele for red fealther color in pie ens b this is dominant to the allelye fer brown fealhers, b A red pigeon who had a red parent a brown parent is mated withalbrown.igeon. Identify the pigeon.Whaut proportion of the Fiprogeny would be expected to have brown feather? . and eanent genotypes of both poarentt of the red
- Two mothers give birth to sons at the same time at a busy urbanhospital. The son of mother 1 has hemophilia, a disease causedby an X-linked recessive allele. Neither parent has the disease.Mother 2 has a son without hemophilia, despite the fact thatthe father has hemophilia. Several years later, couple 1 suesthe hospital, claiming that these two newborns were swappedin the nursery following their birth. As a genetic counselor, youare called to testify. What information can you provide the juryconcerning the allegation?EE = floppy ears Ee = floppy ears bb = brown fur ee = pointed ears BB = black fur %3D Bb = black fur %D %3D 1. A female dog with the genotype BBee is crossed with a male dog with the genotype bbEe The square is set up below. Fill it out and determine the phenotypes and proportions in the offspring. Ве Ве Ве Ве bE BbEe BbEe How many out of 16 have: black fur and floppy ears? be Bbee Bbee Bbee Bbee black fur and pointed ears? brown fur and floppy ears? bE BbEe BbEe BbEe brown fur and pointed ears? be Bbee Bbee Bbee Bbee .. ... 2. Show the cross: bbEe x BbEe How many out of 16 have: black fur and floppy ears? black fur and pointed ears? I floppy ears? own brown fur and pointed ears?n a container/tub, place 50 pieces ofred paper, 50 pieces of pink paper, and50 pieces of white paper. Let usassume that each color is thephenotypic expression of thegenotypes homozygous dominant AA(red), heterozygous Aa (pink), andhomozygous recessive aa (white).Without looking, randomly pick 20 pieces of paper from your container/tub and assumethat those individuals died upon picking, thus will be removed from your population. a. If you are a picky eater and prefer the white only, what do you think will happen in the genotypic frequency and allelic frequencies of the red, pink and white pieces of papers?
- What mode of inheritance does dark blue skin color in Gunguns show? The Ankura race of Gunguns on the planet Naboo have a an inherited genetic disorder which results in afiete ididuas haveing dark blue skin color.The pedigree belowis from anafected faniy Gunguns are dpid wih females being homoazygous and males being hemizygous. Answer questions 3-6 based on the pedigre below: 2 3 9 10 00 5 6 89 1 12 13 142) A researcher crossed a heterozygous yellow seed plant (Yy) and a recessive green seedplant (yy). Draw a Punnett Square and determine the genotype and phenotype ratios ofthe offspring.In sheep, the formation of horns is a sex-influenced trait; the allelethat results in horns is dominant in males and recessive in females.Females must be homozygous for the horned allele to have horns.A horned ram was crossed to a polled (unhorned) ewe, and the firstoffspring they produced was a horned ewe. What are the genotypesof the parents?
- Red-green color blindness is an X-linked recessive trait. Heterozygous females have normal color vision but are carriers of the allele for red-green color blindness. I O2 II 10 III 12 O14 15 O18 J13 16 19 20 21 2324 25 IV 26 On 28 20 30 31 32 33 34 35 36 37 Based on the information presented in the pedigree, select all of the females that are known carriers of red-green color blindness. 24The statement is true or false "A person having XO karyotype is genotypically a male"?TrueFalsewhen two unlike alleles are responsible for a sin O b. Genetic characters are controlled by pairs of alleles, of which each diploid organism received from each p O c. Two sets of traits are inherited independently ofeach other. O d. If an individual contains a pair of like alleles then all its gametes receive one of that same kind of allele. How many different types of gametes can be formed by individuals of the following genotypes respectively? (a) AaBb, (b) AaBbCc Select one: O a. 2, 4 Оь. 4, 16 O c. 2, 8 O d. 4, 8 O e. 4, 4 Genetics characters that follow partial dominance produce an offspring ratio that corresponds directly to Mendel's p Select one: оа. True