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Mendelian Genetics (Grade 10)

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Mendelian Genetics

The first recorded scientific study of genetics was done by
  1. Egor Mendeleeve
  2. Father George Nendlel
  3. Gregor Mendel
  4. Ivan Manel
Punnett squares show the possible                       of offspring.
  1. genotypes
  2. number of chromosomes
  3. DNA sequence
  4. letters of a sequence
The phenotype displays                 characteristics.
  1. chemical
  2. dominant
  3. recessive
  4. physical
When a dominant allele is present the offspring will show                 characteristics.
  1. recessive
  2. dominant
  3. homozygous
  4. heterozygous
Mendel's research evolved the terms "recessive traits" and "dominant traits" in genetics studies.
  1. True
  2. False
                is an organism's genetic makeup working behind the scenes.
  1. phenotype
  2. genetics
  3. genotype
  4. gene
               is a combination of the genetic makeup and environmental effects.
  1. phenotype
  2. genotype
  3. genetics
  4. heredity
A dominant gene usually shows itself over a
  1. homozygous gene.
  2. heterozygous gene.
  3. recessive gene.
  4. sex-linked trait.
A trait that is controlled by more than two alleles is controlled by                      .
  1. DNA sequencing
  2. multiple phenotypes
  3. hereditary sequencing
  4. polygenic inheritance
The actual transmission of the physical qualities we receive from our parents, and pass on to our offspring, and the law by which living beings tend to repeat characteristics from one generation to the next is called
  1. physiology.
  2. breeding.
  3. inheritance.
  4. heredity.
In incomplete dominance one trait will be expressed.
  1. True
  2. False
If the two alleles for one gene are the same (pp or PP) the person is said to be                 for that trait.
  1. homozygous
  2. heterozygous
  3. oozygous
  4. non-fertile
The difference between the law of segregation and the law of independent assortment is
  1. there is no difference
  2. independent assortment has genes that clump together and split into the same cell
  3. segregation has genes that clump together and split into the same cell
  4. segregation has genes that go into separate cells separate of one another
If a heterozygous (Ee) parent is crossed with a homozygous dominant (EE) parent with brown eyes and brown eyes are dominant and blue eyes being recessive, what are the offspring percentages?
  1. 100% brown eyes
  2. 50% brown eyes, 50% blue eyes
  3. 100% blue eyes
  4. 75% blue eyes, 25% brown eyes
The genotypes expressed in percentages of the offsprings from a cross between a homozygous dominant (WW) parent for white hair with a homozygous recessive (ww) parent for yellow hair would be
  1. 75% white hair, 25% yellow hair
  2. 100% white hair
  3. 100% yellow hair
  4. 75% yellow hair, 25% yellow hair
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