What does a Punnett square tell you? a.The inheritance pattern for a pair of alleles b.The phenotype probabilities of offspring for a given cross c.The number of offspring who will have a particular genotype for a given cross d.The genotype probabilities of offspring for a given cross2.What would be the most likely karyotype for somebody described as “hemizygous positive for a Y-linked trait”? a.Y+ Y+ b.X Y+ c.X+ Y+ d.X+ Y-3.X-linked ichthyosis is an X-linked recessive trait that manifests in part as dry, scaly skin (“ichthy-” = fish or fish like). Suppose a couple are considering having a child together. Parent A is heterozygous for the ichthyosis allele while Parent B is hemizygous negative for the ichthyosis allele. What is the probability their child would be unafflicted with ichthyosis but be a carrier of the ichthyosis-causing allele? a.0% b.25% c.50% d.75% e.100%4.If somebody has the phenotype of Type B blood, what possible genotypes could they have? (select all that apply) a.IA IA b.IA i c.IB IB d.IB i e.IA IB f.i i5.Get your Punnett square ready!Two people decide to start a relationship and begin considering having a child together. One parent is heterozygous for red-green color blindness while the other parent is hemizygous for regular color vision.What is the probability that their kid will not have red-green colorblindness but will be a carrier for the red-green color blindness trait?Note: Red-green color blindness is an X-linked recessive trait. For this example, you may assume there are just the two alleles: XC- = red-green color blindness: XC+ = regular color vision Y = lacks that geneYou do not have to account for anything like aneuploidies, crossing over, or etc.0%25%50%75%100%6.X-linked hypophosphatemia (XLH) is an X-linked dominant trait that causes various skeletal deformities and disorders. Suppose a person who was homozygous negative for XLH was considering having a child with someone who was hemizygous positive for XLH. What is the probability that their child would develop XLH?0%25%50%75%100%7. X-linked hypophosphatemia (XLH) is an X-linked dominant trait that causes various skeletal deformities and disorders. Suppose a person who was homozygous negative for XLH was considering having a child with someone who was hemizygous positive for XLH. What is the probability that their child would not develop XLH but be considered a carrier of the XLH-causing allele? (Hint: think carefully about the question and what it means to be a “carrier”)0%25%50%75%100% 8.Get your Punnett square ready!Two people decide to start a relationship and begin considering having a child together. One parent is homozygous for regular color vision while the other parent is hemizygous for red-green color blindness .What is the probability that their kid will have red-green colorblindness?Note: Red-green color blindness is an X-linked recessive trait. For this example, you may assume there are just the two alleles: XC- = red-green color blindness: XC+ = regular color vision Y = lacks that geneYou do not have to account for anything like aneuploidies, crossing over, or etc.0%25%50%75%100%9.Consult the given pedigree. What genotype does person "A" have?a.Can't tell/not enough informationb.Heterozygous IA ic. Homozygous IA IAd.Heterozygous IA IB

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Description: What does a Punnett square tell you? a.The inheritance pattern for a pair of alleles b.The phenotype probabilities of offspring for a given cross c.The number of offspring who will have a particular genotype for a given cross d.The genotype probabili

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Human Anatomy & Physiology (11th Edition)

11th Edition

ISBN:9780134580999

Author:Elaine N. Marieb, Katja N. Hoehn

Publisher:Elaine N. Marieb, Katja N. Hoehn

Chapter1: The Human Body: An Orientation

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What does a Punnett square tell you?

a.The inheritance pattern for a pair of alleles

b.The phenotype probabilities of offspring for a given cross

c.The number of offspring who will have a particular genotype for a given cross

d.The genotype probabilities of offspring for a given cross

2.What would be the most likely karyotype for somebody described as “hemizygous positive for a Y-linked trait”?

a.Y+ Y+

b.X Y+

c.X+ Y+

d.X+ Y-

3.X-linked ichthyosis is an X-linked recessive trait that manifests in part as dry, scaly skin (“ichthy-” = fish or fish like). Suppose a couple are considering having a child together. Parent A is heterozygous for the ichthyosis allele while Parent B is hemizygous negative for the ichthyosis allele. What is the probability their child would be unafflicted with ichthyosis but be a carrier of the ichthyosis-causing allele?

a.0%

b.25%

c.50%

d.75%

e.100%

4.If somebody has the phenotype of Type B blood, what possible genotypes could they have? (select all that apply)

	a.IA IA
	b.IA i
	c.IB IB
	d.IB i
	e.IA IB
	f.i i 5.Get your Punnett square ready! Two people decide to start a relationship and begin considering having a child together. One parent is heterozygous for red-green color blindness while the other parent is hemizygous for regular color vision. What is the probability that their kid will not have red-green colorblindness but will be a carrier for the red-green color blindness trait? Note: Red-green color blindness is an X-linked recessive trait. For this example, you may assume there are just the two alleles: XC- = red-green color blindness: XC+ = regular color vision Y = lacks that gene You do not have to account for anything like aneuploidies, crossing over, or etc. 0% 25% 50% 75% 100% 6.X-linked hypophosphatemia (XLH) is an X-linked dominant trait that causes various skeletal deformities and disorders. Suppose a person who was homozygous negative for XLH was considering having a child with someone who was hemizygous positive for XLH. What is the probability that their child would develop XLH? 0% 25% 50% 75% 100% 7. X-linked hypophosphatemia (XLH) is an X-linked dominant trait that causes various skeletal deformities and disorders. Suppose a person who was homozygous negative for XLH was considering having a child with someone who was hemizygous positive for XLH. What is the probability that their child would not develop XLH but be considered a carrier of the XLH-causing allele? (Hint: think carefully about the question and what it means to be a “carrier”) 0% 25% 50% 75% 100% 8.Get your Punnett square ready! Two people decide to start a relationship and begin considering having a child together. One parent is homozygous for regular color vision while the other parent is hemizygous for red-green color blindness . What is the probability that their kid will have red-green colorblindness? Note: Red-green color blindness is an X-linked recessive trait. For this example, you may assume there are just the two alleles: XC- = red-green color blindness: XC+ = regular color vision Y = lacks that gene You do not have to account for anything like aneuploidies, crossing over, or etc. 0% 25% 50% 75% 100% 9.Consult the given pedigree. What genotype does person "A" have? a.Can't tell/not enough information b.Heterozygous IA i c. Homozygous IA IA d.Heterozygous IA IB

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