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Genetics and Inheritance 2


Definition of Genetics and Understanding the Laws of Inheritance in living organisms. Determining how individuals and children inherit certain traits from their parents. Scientific Principles and Theories of Inheritance.

Practice Quiz 2

Welcome to your Genetics Quiz 2

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Which of the following statements below is NOT TRUE.
When Snapdragon plants (Antirrhinum majus) are crossed we can observe flower colors of Red, Pink and White. This is an example of __________ .
When making a dihybrid cross of two heterozygous individuals ( GgRr and GgRr ), the resulting offspring will have how many possible combinations ?
It is a double helix shaped molecule that carries the genetic instructions used in the growth, development, functioning and reproduction of all known living organisms and many viruses.
. In a hypothetical plant, a serrated leaf margined plant, when crossed with a smooth leaf margined plant, produces offsprings with wavy leaf margin. Two wavy plants will produce what possible kinds of offspring?
When two heterozygous organisms are monohybrid crossed the resulting offspring will have a genotypic ratio of __________ .
What do you call the allele that expresses itself at the expense of an alternate allele.
Humans normally have 23 pairs of chromosomes as part of the genetic make-up. The 23rd pairs is called ____________ .
In a hypothetical plant, a serrated leaf margined plant, when crossed with a smooth leaf margined plant, produces offsprings with wavy leaf margin. Identify the mode of inheritance.
In cattle, coat color is inherited in a co-dominant fashion. Homozygous B1B1 produces black coat, homozygous B2B2 produces white coat, and the heterozygous B1B2 produces roan coat. Give the phenotypic ratio of the offspring for a B1B2 x B1B2 cross.
Choose which of the following statements is NOT TRUE about Colorblindness.
It is a single-stranded polymeric molecule essential in various biological roles in coding, decoding, transcription, regulation, and expression of genes.
In guinea pigs, coat color is governed by four alleles that constitute a multiple allelic series, C (black), cS(sepia), cC (cream), and c (albino) with the following dominance hierarchy: C>cS>cC>c. Determine the phenotypic ratios of the progeny from the Cc x Ccs cross.
Determine the possible blood type of the children when the parents have blood type A (male) and blood type B (female).
In cattle, coat color is inherited in a co-dominant fashion. Homozygous B1B1 produces black coat, homozygous B2B2 produces white coat, and the heterozygous B1B2 produces roan coat. Give the phenotypic ratio of the offspring of the B1B1 x B1B2 cross.

It forms one of the central pillars of biology. How does DNA work? The human genome, the unique genetic sequence that makes up life as we know it. We know that all traits and personality characteristics, are driven by a complex interplay of genes (DNA sequences) and environmental feedback. Get the information on changes in your genes, how they may be inherited or acquired during a person’s life, how they can increase cancer risk, and genetic testing for mutations.


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