tance laws apply, and a trait is either completely dominant or recessive. Eye color: Br - dominant brown bl - recessive blue Hair color Br" -- dominant brown bl" – recessive blonde A male with brown eyes and brown hair (genotype Br"Br"Br"bl") is planning on having a child with who has blue eyes and brown hair (genotype bl"bl Br"bl"). A) Fill in all blanks (8 total) to complete the two-trait Punnett Square Possible allelic combinations in male gametes 1) bl° 6," 2) bl*bl" 3)_b* Br" 6)_ BrʻLI" 5) 7)_ B; Bi" B) What are the three unique genotypic combinations of hair and eye color possible in the child? C) What is the expected phenotypic ratio? D) What is the probability that the couple will have a child with blonde hair? Possible allelic combinations in female gametes

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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1. Assume Mendelian inheritance laws apply, and a trait is either completely dominant or recessive.
Eye color:
Br - dominant brown
blE -recessive blue
Hair color
Br" -- dominant brown
bl" - recessive blonde
A male with brown eyes and brown hair (genotype Br"Br"Br"bl") is planning on having a child with a fen
who has blue eyes and brown hair (genotype bl"bl"Br"bl").
A) Fill in all blanks (8 total) to complete the two-trait Punnett Square
Possible allelic combinations in male gametes
1) bl°Br"
2) bl*bl*
3)_bl* BrM
6) BrʻL*
5)
7) B, Br"
8) Bríbl'
B) What are the three unique genotypic combinations of hair and eye color possible in the child?
C) What is the expected phenotypic ratio?
D) What is the probability that the couple will have a child with blonde hair?
Possible allelic combinations
in female gametes
Transcribed Image Text:1. Assume Mendelian inheritance laws apply, and a trait is either completely dominant or recessive. Eye color: Br - dominant brown blE -recessive blue Hair color Br" -- dominant brown bl" - recessive blonde A male with brown eyes and brown hair (genotype Br"Br"Br"bl") is planning on having a child with a fen who has blue eyes and brown hair (genotype bl"bl"Br"bl"). A) Fill in all blanks (8 total) to complete the two-trait Punnett Square Possible allelic combinations in male gametes 1) bl°Br" 2) bl*bl* 3)_bl* BrM 6) BrʻL* 5) 7) B, Br" 8) Bríbl' B) What are the three unique genotypic combinations of hair and eye color possible in the child? C) What is the expected phenotypic ratio? D) What is the probability that the couple will have a child with blonde hair? Possible allelic combinations in female gametes
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