**A Punnett square should be used to find each answer.** 1. What is the chance that their child would have unattached earlobes? ¬¬¬_____ 2. Beyonce has a straight hairline, which is a recessive trait. Bruno also has a straight hairline. What is the chance that their child would have a widow’s peak? _____ 3. Beyonce has no dimples (Dd). Bruno has dimples, which is a recessive trait. What is the chance that their child would have dimples? _____ 4. Beyonce has a cleft chin (CC). Bruno has a smooth

2 answers
Question:

**A Punnett square should be used to find each answer.**
1. What is the chance that their child would have unattached earlobes? ¬¬¬_____
2. Beyonce has a straight hairline, which is a recessive trait. Bruno also has a straight hairline. What is the chance that their child would have a widow’s peak? _____
3. Beyonce has no dimples (Dd). Bruno has dimples, which is a recessive trait. What is the chance that their child would have dimples? _____
4. Beyonce has a cleft chin (CC). Bruno has a smooth chin, which is a recessive trait. What is the chance that their offspring would have a smooth chin? ____
5. Beyonce and Bruno are both heterozygous for brown eyes. What is the genotypic ratio for their offspring?

Answers

Answer:100%100%50%100%75%Explanation:dont use the exact words so u can avoid plagerism lol

Complete dominance occurs when the dominant allele completely masks the recessive allele in heter0zyg0us individuals. 1) 100% / 2) no chance / 3) 50% / 4) no chance / 5) 1:2:1. ------------------------------------------------------------Available data:→ Six diallelic genes code for six different traits.→ All genes express complete dominance, meaning that the dominant allele hides the expression of the recessive one.→ Beyonce ⇒ ee ww Dd Hh cc Bb → Bruno Mars ⇒ ee ww dd Hh CC Bb→ Cross:  Beyonce x Bruno Mars****************************1) EarlobesParentals)   ee   x   eeGametes)   e   e    e    ePunnett square)    e         e                      e     ee       ee                      e     ee       eeF1) 100% of the progeny is expected to have unattached earlobes, ee.******************2) hairlineParentals)   ww   x   wwGametes)  w   w    w    wPunnett square)    w        w                      w     ww       ww                      w     ww       wwF1) 100% of the progeny is expected to have straight hairline, ww.      There is no chance for their children to have widow’s peak because both of them are h0m0zyg0us recessive for the trait. ***********************3) DimplesParentals)   Dd   x   ddGametes)  D   d     d    dPunnett square)    D        d                      d     Dd       dd                      d     Dd      ddF1) 2/4 = 1/2 = 50% of the progeny is expected to have dimples, dd     2/4 = 1/2 = 50% of the progeny is expected to have no dimples, Dd.***********************4) ChinParentals)   CC   x   ccGametes)   C  C     c    c    Punnett square)    C         C                      c      Cc       Cc                      c      Cc       CcF1) 100% of the progeny is expected to have cleft chin, Cc      There is no chance for their children to have smooth chin because one of them is h0m0zyg0us dominant and the other one is h0m0zyg0us recessive for the trait. The whole porgeny is expected to be heter0zyg0us, Cc, expressing cleft chin. ***********************5) EyesParentals)   Bb   x   BbGametes)   B   b     B    bPunnett square)    B         b                      B      BB      Bb                      b      Bb       bbF1)   3/4 = 75% of the progeny is expected to have brown eyes, BB + Bb        1/4 = 25% of the progeny is expected to have blue eyes, bbGenotypic ratio ⇒ 1:2:1Phenotypic ratio ⇒ 3:1-----------------------------------------------Related link: https://brainly.com/question/24675464?referrer=searchResults

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