Multiple Choice
In a dihybrid cross experiment, three different crosses produced the following numbers of male offspring: 18, 22, and 20. Which of the following is the mean number of male offspring produced by these three crosses?
3
views
2. Mendel's Laws of Inheritance
Dihybrid Cross
Back2. Mendel's Laws of Inheritance
Dihybrid Cross
- Multiple ChoiceA 1:1:1:1 ratio of offspring from a dihybrid testcross indicates that ___________.3views
- Multiple ChoiceA cross where we follow the inheritance of two pairs of alleles is called:3views
- Multiple ChoiceWhich of the following best describes a dihybrid cross in genetics?3views
- Multiple ChoiceIn a dihybrid cross between two Bikini Bottom creatures that are both heterozygous for square pants (S) and blue body color (B), what is the expected phenotypic ratio among their offspring if square pants (S) and blue body color (B) are both dominant traits?1views
- Multiple ChoiceWhich type of genetic cross occurs when organisms that are heterozygous for two traits are crossed?4views
- Multiple ChoiceIn a dihybrid cross, if the resulting offspring phenotypic ratio is 1:1:1:1, what are the genotypes of the parents?1views
- Multiple ChoiceIn a dihybrid cross involving pea plants that are heterozygous for both seed shape (Rr) and seed color (Yy), what is the expected phenotypic ratio among the offspring?2views
- Multiple ChoiceIn a dihybrid cross where both parents have black fur and black eyes (assuming both traits are dominant and parents are heterozygous for both genes), what is the expected phenotypic ratio among the offspring?3views
- Multiple ChoiceIn a dihybrid cross exhibiting complete genetic linkage, what would you expect regarding the phenotypic ratio of the offspring?2views
- Multiple Choice
In melons, spots (S) are dominant to no spots (s) and bitterness (B) is dominant to sweet (b). Answer the following questions that arise from a crossing of a homozygous dominant plant with a homozygous recessive plant. Assume Mendelian inheritance. I. What is the F2 phenotypic ratio if the F1 generation is intercrossed?
592views4rank1comments - Multiple ChoiceDihybrid crosses are crosses involving:1views
- Multiple ChoiceIn a dihybrid cross in corn where both parents have the genotype ppss, what is the expected phenotypic ratio among the offspring?2views
- Multiple ChoiceIn a typical dihybrid cross, how many different alleles are involved in determining the two traits?3views
- Open Question
Assume you have mated a homozygous dominant purple, square plant with a homozygous recessive pink, spherical plant. What is the proportion of purple and spherical plants that would be produced in the F2 generation?
398views11rank1comments