A cross that between mice that differ by only two traits (e. g. eye color and coat color) is called a .

The question lacks options, the options are:

A) hybridization

B) gene cloning

C) monohybrid cross

D) dihybrid cross

Explanation:

Mendel, in one of his several experiments, performed a cross involving two different genes coding for two distinct traits in the organism. After crossing purebreeding organisms for different traits, he got an F1 generation that had a combination of both alleles of both genes in their genotype. These F1 offsprings were called DIHYBRIDS i.e they contained two different alleles for two different genes.

Mendel further crossed the dihybrids and called the cross, DIHYBRID CROSS. In this question, the mice contain different alleles for two different genes (eye color and coat color). Hence, the mice are called DIHYBRIDS and a cross between them is called DIHYBRID CROSS.

hey bro i looked it up on google the structure of the eye-spot in euglena viridie, e. ehrenbergii, and phacus pyriyorme is not as franzé haa described it. the so-called “crystal body” and “lens bodies” were not found in any of the individuals of the species examined by me. as earlier observers have stated, the eye-spot consists simply of a mass of pigment granules arranged in a single layer, and probably embedded in a protoplasmic framework, but the latter could not be seen, and its presence was only inferred from the fact that the pigment granules must be held together in some way, thd the eye-spot as a whole is capable of expansion, and that the pigment granules can be separated from each other.

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