What is the genotype for AaBb?
What is the genotype for AaBb?
A heterozygous for two genes AaBb has two types of alleles for each gene: A and a, B and b. The assortment of “A” and “a” into gametes is independent of the assortment of “B” and “b”….
| Y | y | |
|---|---|---|
| y | Yy | yy |
What is AaBb called in biology?
The contrasting terms genotype and phenotype are used to define the characteristics or traits of an organism. The genotype identifies the alleles related to a single trait (e.g. Aa), or to a number of traits (e.g. Aa Bb cc). The term can be extended to refer to the entire set of genes of an organism (or a taxon).
What are the genotypes of gametes of a AaBb self pollination?
The genotypes of the gametes of a AaBb self-pollination cross are AB, Ab, aB, ab.
Is AaBb homozygous dominant?
Both parents are heterozygous and so they have the genotype of AaBb. Since they both have dominant genes, they will have phenotypes consisting of the dominant traits.
How many genotypes are possible with AaBb?
There are four possible combinations of gametes for the AaBb parent.
What is the genotypic ratio of AaBb AaBb?
1: 1: 1: 1
Complete answer: If Aabb is crossed with aaBb then the genotypic ratio of its progeny will be 1: 1: 1: 1. When Aabb and aaBb are crossed together the gametes formed are Ab, ab, and aB, ab. The offspring produced by these gametes are AaBb, Aabb, aaBb, and aabb.
When a Dihybrid AABB is Selfed then the genotypes AABB AABB AABB AABB would be in a proportion of?
In a dihybrid cross the genotypic ratio can be represented as follows-assuming a cross between AABB and aabb. So, the ratio of AABB, AABb, AaBB and AaBb will be 1 : 2 : 2 : 4.
How many types of phenotypes will be produced in the cross AABB AABB?
Total phenotpic combination= 16. Thus, the correct answer is option C.
How many types of gametes are produced by AaBb?
There are four possible combinations of gametes for the AaBb parent. Half of the gametes get a dominant A and a dominant B allele; the other half of the gametes get a recessive a and a recessive b allele.
What would be the phenotypic ratio produced by a cross between AaBb and AaBb?
Rather than the 9:3:3:1 seqregation of phenotypes normally seen with an AaBb x AaBb dihybrid cross, the phenotypic ratio is 9:3:4. There are only three different phenotypes for hair color, agouti, black and albino.
How many genes are in AaBb?
Possible gametes for each AaBb parent Since each parent has four different combinations of alleles in the gametes, there are sixteen possible combinations for this cross.
How many types of gametes would be produced if the genotype of a parent is AaBb?
If the genotype of a parent is AaBB then 2 types of gametes will be produced.