Recessive traits
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Is straight thumb is dominant or recessive?
In his experiments Mendel crossed tall pea plants with dwarf pea plants. The pea plants produced in F1 generation were:
all of them were dwarf
all of them were of medium height plants
both tall and dwarf
all of them were tall
How do Mendel’s experiments show that traits may be dominant or recessive?
Choose the correct option-
Alleles are-
heterozygotes
different forms of a gene
true-breeding homozygotes
different phenotype
What are the two types of alleles?
If heterozygous parents are crossed, which of the following trait/s will have more frequency in the F1 generation?
recessive character
dominant character
co-dominant character
Polygenic character
In the Mendelian convention, the usage of capital letters is to indicate ______ alleles and lower-case letters is to indicate _____ alleles.
Recessive, dominant
Dominant, recessive
Heterozygous, homozygous
Homozygous , heterozygous
The traits which are expressed in an individual in every condition are the recessive traits.
False
True
In a pair of contrasting traits, expressing traits and not expressing traits in the progeny are called as _____ and _____ respectively.
recessive ; genotypic
phenotypic ; genotypic
recessive ; dominant
dominant ; recessive