?? • In Pangolins, eye color is determined by a single gene with two alleles. Yellow-eyed (Y) is dominant over blue-eyed (y) ● In Pangolins, Scale color is also determined by a single gene with two alleles. Gold-brown (G) is dominant over Silver-grey (g) • You have a mystery Pangolin and cross it with a Blue-eyed Silver grey • You get 50 offspring from which : Parents ??? x Blue-eyed Silver-grey Yellow-eyed Gold-brown 0 yyGg x yygg Yygg x yygg YYGG xyygg YyGg x Yygg YyGg x YyGg YyGg xyygg Offspring Blue-eyed Gold-brown 0 Yellow-eyed Silver-grey 24 Blue-eyed Silver-grey 26 What are the genotypes of the parents in this cross?

?? • In Pangolins, eye color is determined by a single gene with two alleles. Yellow-eyed (Y) is dominant over blue-eyed (y) ● In Pangolins, Scale color is also determined by a single gene with two alleles. Gold-brown (G) is dominant over Silver-grey (g) • You have a mystery Pangolin and cross it with a Blue-eyed Silver grey • You get 50 offspring from which : Parents ??? x Blue-eyed Silver-grey Yellow-eyed Gold-brown 0 yyGg x yygg Yygg x yygg YYGG xyygg YyGg x Yygg YyGg x YyGg YyGg xyygg Offspring Blue-eyed Gold-brown 0 Yellow-eyed Silver-grey 24 Blue-eyed Silver-grey 26 What are the genotypes of the parents in this cross?

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

Section: Chapter Questions

Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...

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Imagine that feather color in parrots is controlled by one gene with two alleles: "P" and "p" "P" is completely dominant and codes for green feathers "p" is recessive and codes for blue feathers If a green parrot and a blue parrot have offspring, and half of their offspring are green and half are blue, what was the genotype of the green parrot? (hint: this was a test-cross) Pp PPp PP pp
2. In a species of beetles, individuals may be red, black, white or tan. Colour is controlled by a single gene with multiple alleles in a dominance series. Red (R) is dominant to black (RP), black is dominant to white (RW) and white is dominant to tan (r) (R > RD > RW > r). Colour variation in this species is a female sex-limited trait. Males carry the colour genes but are always phenotypically tan regardless of their genotype. What are the genotypes of the parents of the following cross? black female x tan males produces 151 red females: 49 black females: 61 tan females: 249 tan males
10. A cat with broad pigmented bands and whorls mates with a tabby cat heterozygous for the tabby gene. Their first kitten is albino. What is the probability that their next kitten will also be albino? [Choose ] [Choose ] 0.375 What is the probability that their next kitten 0.75 will be mackerel-striped? 0.625 0.33 0.5 0.25 0.875 1.0 <
Consider this hypothetical example. Bluegills can either have green eyes or brown eyes. The trait is controlled by a single gene. Bluegills can either have long or short fins. This trait is controlled by a single gene that is on a different chromosome from the eye color gene. Having green eyes is dominant (G), while having brown eyes is recessive (g). Having long fins is dominant (L), while having short fins is recessive (1). Your not-so-famous instructor will mate a male and female that both are heterozygous for eye color and heterozygous for fin length. If these 2 bluegills produced 1000 offspring, about how many would have green eyes and short fins? O 63 O 125 188 O 250 O 563
4
1. Honeybee workers undergo a resistant behavioral pattern called hygienic behavior. Susceptible worker genotypes failed to remove the diseased larvae, so that the disease spread easily throughout the honeybee colony. a) When inbred lines of resistant genotypes were crossed with inbred lines of susceptible genotypes, the F1 worker bees showed unhygienic behavior.Is hygienic behavior dominant or recessive in these bees? Why?
Brown eyes are dominant over blue eyes. This is NOT a sex linked trait. Cross a brown eyed Color blind male (whose mother had blue eyes) with a normal blue eyed female (whose father was colorblind)
In sparrows: • brown feathers are dominant (B) and dun feathers are recessive (b) • yellow beaks are dominant (Y) and orange beaks are recessive (y) You have a brown-feathered, yellow-beaked sparrow of unknown genotype, and conduct a testcross. What phenotypic ratio would you expect to see as a result of the cross if your unknown individual was BBYY? (In the answers, feather color is given first, then beak color.) O 1 dun,yellow : 1 dun,orange O 1 brown,yellow :1 dun,yellow 3 brown,yellow : 1 dun,yellow O 1 brown,yellow:1 brown, orange : 1 dun,yellow : 1 dun,orange
. In a species of beetles, individuals may be red, black, white or tan. Colour is controlled by a single gene with multiple alleles in a dominance series. Red (R) is dominant to black (Rb), black is dominant to white (Rw) and white is dominant to tan (r) (R > Rb > Rw > r).Colour variation in this species is a female sex-limited trait. Males carry the colour genes but are always phenotypically tan regardless of their genotype.What are the genotypes of the parents of the following cross? tan female × tan male produces 78 red females: 70 white females: 184 tan males