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1. Which of the following best describes the rule that govems the non-Mendeliar traits?
A. Expressions do not adhere to a sinple dominant and recessive mode.
B. More than one pairs of genes influence the expression of a single trait
C. The classical 3:1 and 9:3:3:1 ratio is modified.
D. All the mentioned statements describe non-Mendelian inheritance
2. What happens when an organism exhibits multiple allelism?
A. The alleles of the organism are doubled, and traits are usually dominant.
B. There are three or more alleles responsible for a single trait.
C. Organisms exhibiting multiple allelism have the lower chance of survival.
D. Multiple allelism causes fafal effect on the offspring which extend too many
generations.
3. What do we call the variant form of genes in the chromosomes which is responsible
for the contrasting traits that can be expressed in an organism?
A. Genotype
C. Phenotype
B. Gene expression
D. Alleles
4. Which of the following chromosomes are properly paired with its phenotype?
A XX - Male
C.XO - Male
B. XX - Female
D. YO - Female
5. In shorthorn cattle, when a red bull (RR) is crossed with a white cow (WW), all the
offspring are roan-a spotted, red and white or milky red color. What offspring are
expected from mating a roan bull and a roan cow?
A. 50% Roan, 25% Red & 25% Write C. all roan
B. 50% Roan, 50% Red
D. 50% Red & 50% White


need na Po answer asap thanks in advance​


Sagot :

Answer:

1.B

2.A

3.C

4.D

5.A

Explanation:

YAN NAPO

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