353,080 views
23 votes
23 votes
Please help!

Parent 1 doesn't have freckles, but his parents did. Parent 2 has freckles, all of parent 2 family has freckles as well. Use the letters provided in the Punnett square to answer the following questions:

What is the genotype of parent 1?

What is the genotype of parent 2?

What is the probability that the offspring of parent 1 and parent 2 has the recessive alleles be expressed in their phenotype? __% (use numbers only)

User Thenextmogul
by
2.5k points

2 Answers

26 votes
26 votes

Answer: Genotype of parent 1: Aa

Genotype of parent 2: aa

Probability: 50%

Explanation: The Punnet square is shown in the problem to help you :) Also, these answers are correct because I got these all right on my science quiz just recently!

User Gvegayon
by
2.9k points
19 votes
19 votes

Answer:

denoting No freckles: N Freckles: f,

parent 1 genotype: Nf

parent 2 genotype: ff

after using punnet Square the four random combinations are:

Nf, Nf, ff, ff

50% probability that offspring will have freckles

User Lostsoul
by
3.0k points
Welcome to QAmmunity.org, where you can ask questions and receive answers from other members of our community.