CameraIcon

SearchIcon

MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Test Cross

In mendelian ...

Question

In mendelian dihybrid cross, the ratio among homozygous dominant, pure heterozygous, and homozygous recessive traits in $F_{2}$ generation in pea plant is

A

1 : 8 : 1

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

1 : 2 : 1

No worries! We‘ve got your back. Try BYJU‘S free classes today!

C

2 : 6 : 2

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

1 : 4 : 1

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

Open in App

Solution

The correct option is D 1 : 4 : 1
In a mendelian dihybrid cross, the ratio among homozygous dominant (RRYY), pure heterozygous (RrYy) and homozygous recessive (rryy) traits in $F_{2}$ generation in a pea plant is 1:4:1.

Suggest Corrections

thumbs-up

1

Similar questions

Q. In a typical Mendelian cross, which is a dihybrid cross, one parent is homozygous for both dominant traits and another parent is homozygous for both recessive traits. In the

F_{2}

generation, both parental combinations and recombinations appear. The phenotypic ratio of parental combinations to recombinations is

Q. In a Mendelian dihybrid cross, if one trait shows incomplete dominance and other trait shows homozygous dominant lethality then what will be the phenotypic ratio of progenies obtained in

F_{2}

Q. Five Mark Questions :
(a) A true breeding homozygous Pea plant with green pods and axial flowers as dominant characters is crossed with a recessive homozygous Pea plant with yellow pods and terminal flowers. Work out the cross upto

F_{2}

generation giving the phenotypic ratios of

F_{1}

F_{2}

generations respectively.
(b) State the Mendelian principle which can be derived from such a cross and not from monohybrid cross.

Q. In monohybrid cross, what is the ratio of homozygous dominant and homozygous recessive individuals

F_{2}

Q. In a dihybrid cross where two parents (pea plants) differ in two pairs of contrasting traits, that is, pod color and pod shapes color, are crossed. Assuming that the male and female parent were homozygous dominant and recessive for both of these characters respectively, the number of green coloured pod among sixteen progenies of F2 generation will be

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Test Cross

BIOLOGY

Watch in App

explore_more_icon

Explore more

Standard X Biology

Join BYJU'S Learning Program

CrossIcon