Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN: 9780134580999
Author: Elaine N. Marieb, Katja N. Hoehn
Publisher: PEARSON
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Consider two genes.
The first one is autosomal with dominant allele A and recessive allele a in the population.
The second gene is on the X chromosome with dominant allele R and recessive allele r. Recall that the male Y chromosome has no gene alleles.
Match the mode of inheritance (MOI) with the sentence that best describes it.
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- The remaining questions go together. In a species of collared lizard (Crotaphytus collaris), long tail (T) is dominant to short tail (t), and green scalation (G) is dominant to brown scalation (g). Both tail length and scale color are autosomal traits. But green scalation is a x-linked"-limited trait only expressed in males – females have brown scales regardless of G/g genotype. In addition, T is a recessive lethal allele – TT homozygotes do not develop. A long-tailed brown male mates with a long-tailed brown female. Their first two viable offspring are a short-tailed green male a long-tailed brown male. What is the genotype of the father? ["", "", "", "", ""] What is the genotype of the mother? ["", "", "", "", ""] What is the genotype of the short-tailed green male? ["", "", "", "", ""] What is the genotype of the long-tailed brown male?arrow_forwardThank you.arrow_forward1. In the pedigree below, Use "A" for the allele associated with the dominant phenotype, and lowercase "a" for the allele associated with the recessive phenotype. Determine what is the most likely mode of inheritance of this disease (whether it is inherited as the result of an autosomal dominant or autosomal recessive trait). Write the most probable genotype for each individual based on the mode of inheritance you have determined. Show how all the partners are crossed and the expected offspring produced (You may use Punnett Square) 1 dró || IVarrow_forward
- Can you please not type the answer can you write it on a paperarrow_forwardPedigree 2: A. What is the most likely mode of inheritance of this disease? Choose from: autosomal dominant, autosomal recessive, X-linked dominant, X-linked recessive. B State the genotypes of individuals # 1 #4. C If individual #3 has another daughter with the same partner, what is the probability that this daughter will be affected (show the disease)?arrow_forwardPractice Pedigree Problem help. I am confused so please show. Label Phenotypes and genotypes as you go about the Pedigree (and whatever else might be required)! Thank you again for your help, these questions confuse me). Hair or fur length in cats is controlled by a single, autosomal gene; the short hair-allele is dominant to the allele for long hair. Hair color is produced by a different gene which is located on the X chromosome. One allele for this sex-linked gene produces yellow, while an alternate allele produces black fur color; individuals which are heterozygous for these alleles are calico or tortiseshell in color. a). If a long-haired, black male is mated with a calico female homozygous for short hair, what kind of kittens will be produced in the F1generation? Give both genotypes and phenotypes; express the genotypes both symbolically and in words.arrow_forward
- Show work. don't use Ai for answering thisarrow_forwardDirections: Tell whether the following carry or show the sex-linked recessive spongy-tiny pores trait. Also, tell whether the individuals are male or female. Remember that since most sex-linked traits are recessive, the person who shows the trait can have no X’s with big superscripted letters. So, if a male carries the trait, he must also show the trait.Answer the Guide Questions: What chromosomes will result to a normal phenotype (normal spongy pore trait)? ________________________________________________________________________ Do all individuals who have the spongy tiny pore allele show it in their physical appearance? Why or why not? ________________________________________________________________________ Can males be a carrier of an X-linked recessive trait? How about females? Explain. ________________________________________________________________________ What will be the sex of an individual who is easily affected by an X-linked recessive trait? Why?…arrow_forwardPlease explain the given questionarrow_forward
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