The back cross can distinguish heterozygotes from homozygotes as they – McqOptions

MCQOPTIONS

1.	The back cross can distinguish heterozygotes from homozygotes as they give _________ phenotypic ratio respectively.
A.	1:1 dominant: recessive ; all recessive
B.	All dominant; all dominant
C.	1:1 recessive; dominant; all dominant
D.	All dominant; 1:1 recessive: dominant
Answer» D. All dominant; 1:1 recessive: dominant

Discussion

No Comment Found

Related MCQs

Crossing 2 Andulasian fowls you get 10 white fowl. What will be the expected number of Andulasian fowls as progeny?
In a cross between wild type pure breeding recessive and heterozygous dominant trait, if 4 progeny are found to be expressing the dominant phenotype, what will be the expected number of recessive?
IN_A_CROSS_BETWEEN_WILD_TYPE_PURE_BREEDING_RECESSIVE_AND_HETEROZYGOUS_DOMINANT_TRAIT,_IF_4_PROGENY_ARE_FOUND_TO_BE_EXPRESSING_THE_DOMINANT_PHENOTYPE,_WHAT_WILL_BE_THE_EXPECTED_NUMBER_OF_RECESSIVE??$
Crossing_2_Andulasian_fowls_you_get_10_white_fowl._What_will_be_the_expected_number_of_Andulasian_fowls_as_progeny?$
The F1 generation is determined by crossing P/P with p/p. Then the progeny obtained from them were intercrossed. What will be the ratio of pure breeding flowers to not pure breeding flowers in F2?
The back cross can distinguish heterozygotes from homozygotes as they give _________ phenotypic ratio respectively.
Which of the following is a test cross?
The cross between a black and white fowl will give _______
If an H is for tall trait which is dominant and h is the recessive trait for short, which of the following cross will result in 1:1 tall: short progeny?
If a true breeding tall pea plant is crossed with a true breeding short pea plant, what will be the phenotype of the F1 generation?