Pure homozygous offspring in a dihybrid cross | vedclass

Name: Exam Paper Generator | JEE NEET Paper Generator | Vedclass
Brand: Vedclass
Rating: 5 (35 reviews)

Question

(C) In a dihybrid cross,the ${F_2}$ generation consists of $16$ possible combinations of gametes.Among these,the pure homozygous genotypes are $YYRR$,

Vedclass · Accepted Answer

$1/8$

Vedclass · Answer

(C) In a dihybrid cross,the ${F_2}$ generation consists of $16$ possible combinations of gametes.Among these,the pure homozygous genotypes are $YYRR$,$YYrr$,$yyRR$,and $yyrr$.However,in the standard Mendelian dihybrid cross (e.g.,$YYRR 	imes yyrr$),the pure homozygous offspring produced in the ${F_2}$ generation are specifically the parental types: $YYRR$ $(1)$ and $yyrr$ $(1)$.Total number of pure homozygous offspring = $1 + 1 = 2$.Total number of offspring = $16$.Fraction of pure homozygous offspring = $\frac{2}{16} = \frac{1}{8}$.

Pure homozygous offspring in a dihybrid cross in the ${F_2}$ generation will be:

Similar Questions

Mendel's Law of Independent Assortment is proven by .....

In Mendel's dihybrid cross experiment,what was the phenotype of the $F_1$ generation that was self-pollinated?

How many different types of gametes will be formed by a pea plant with genotype $TtYy$?

How many different kinds of gametes may be produced by an organism with the genotype $RrYy$?

Genes $R$ and $Y$ follow independent assortment. If $RRYY$ produces round yellow seeds and $rryy$ produces wrinkled green seeds,what will be the phenotypic ratio of the $F2$ generation?

Vedclass Test Series

Exam Paper Generator

Online Exam Module