.A soybean breeder is aiming to breed for early maturation. He was able to cross variety A which has desirable agronomic characteristics but late maturation with variety B which has less-than-ideal agronomic characteristics but early maturation. In addition to the F₁ population, F2 and BC₁ population were also generated. The variances for each population are presented below. Population P₁ Variance 3.3 days² P₂ 4.7 days² F₁ 6.6 days² F2 19.2 days² BC₁ 12.1 days²
Genetic Variation
Genetic variation refers to the variation in the genome sequences between individual organisms of a species. Individual differences or population differences can both be referred to as genetic variations. It is primarily caused by mutation, but other factors such as genetic drift and sexual reproduction also play a major role.
Quantitative Genetics
Quantitative genetics is the part of genetics that deals with the continuous trait, where the expression of various genes influences the phenotypes. Thus genes are expressed together to produce a trait with continuous variability. This is unlike the classical traits or qualitative traits, where each trait is controlled by the expression of a single or very few genes to produce a discontinuous variation.
d) Please refer to the table. If only data on the variances for F1, F2 and BC1 populations were available, how will the broad sense heritability estimate change? Show solutions.
![1. A soybean breeder is aiming to breed for early maturation. He was able to cross variety A which has desirable
agronomic characteristics but late maturation with variety B which has less-than-ideal agronomic characteristics
but early maturation. In addition to the F₁ population, F2 and BC1 population were also generated. The variances
for each population are presented below.
P₁
3.3 days²
Population
Variance
P2
4.7 days²
F₁
6.6 days²
F2
19.2 days²
BC₁
12.1 days²](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2Fceb4d42b-d554-4cb1-a801-14b9f950b7de%2F7fcdc76f-f12e-4114-a7b1-5e774fc79eac%2Fwz9tcf6_processed.png&w=3840&q=75)
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