Unit 4 - Genetics & Heredity

Homozygous individuals have two ___________ alleles

Incomplete dominance is VERY similar to the rejected __________ Theory of Inheritance.

In Mendel's model of Complete Dominance, dominant alleles will ___________ recessive alleles.

Which of the following human traits are controlled by multiple genes?

Mutations in humans which cause harmful symptoms are called genetic ________.

Mendel also concluded that a trait may not appear in an individual but can still be passed on to __________.

_______________ are controlled by genes stored on either the X or Y chromosome.

The pea plant can self-pollinate and be cross-pollinated, allowing Mendel to control mating.

Mendel then cross-pollinated the two varieties, producing the first filial, or _____ generation.

___________ traits are traits controlled by multiple genes.

This is called the Law of ______________.

This ratio of purple to white flowers can be reduced and approximated to a _____ ratio.

Individuals with even one allele for sickle-cell anemia are immune to ____________.

Factors that control different traits are inherited ___________________.

A recessive allele will overpower a dominant allele.

Mendel proposed a set of ________ that accurately predict patterns of inheritance.

Which of the other traits in pea plants had a 3:1 ratio?

Which of the following is NOT a way mutations can occur?

Which of the following genotypes will appear with the intermediate phenotype?

Each gene is a sequence of ____________ on an organism's DNA.

Mendel then allowed the F1 generation to self-pollinate, producing the second filial, or ____ generation.

What would be the genotypic ratio of this Punnett Square?

____________ occur(s) when neither allele is dominant over the other, and both are seen in different parts of the body.

The genetic make-up of an individual is called the ___________.

Which of the following types of inheritance go against Mendel's laws?

Gregor Johann Mendel also studied the experiments of a British farmer named ____________.

Mendel concluded that the inheritance of specific traits is determined by _________.

Which of the following is NOT a human genetic disorder?

Each allele is a slightly different sequence of nucleotides that produces a slightly different _________.

Eye color is determined by the genes we inherit from our parents.

What genotype would be in the bottom right box?

Mendel created the parental generation by allowing the two varieties to ____ pollinate separately.

The observed trait, or physical appearance of an individual is called the ____________.

Hemophilia is a _____________ genetic disorder

Mendel's experiments involved the same plant as Knight's experiment. What was it??

____________ are the source of new alleles.

This is called the Law of _____________ Assortment

Codominance only occurs in animals.

Who was the scientist that determined that some genes followed incomplete dominance inheritance?

What genotype would be in all the boxes?

Traits are controlled by two factors, one dominating the other, which separate when _________ are produced.

The garden pea is small, easy to grow, quick to mature, and produces many offspring.

The F1 generation had all purple flowers.

What is an example of a sex-linked trait in humans?

Heterozygous individuals have two _________ alleles.

What VERY IMPORTANT types of cells in humans are controlled by codominant genes?

________________ is when an individual is observed to have an "intermediate" or "blended" phenotype.

In polygenic traits, the number of different phenotypes will _________ if more genes control that trait.

This cross led to 705 purple-flowered plants and 224 white-flowered plants.

Gregor Johann Mendel studied science and mathematics at the University of ________.

Tattoos are a genetic trait that we inherit from our parents.

What would be the phenotypic ratio of this Punnett Square?

Females with one allele for a sex-linked trait and one unaffected allele are called __________.

The passing of traits from parents to offspring is called ___________.

The traits of the pea plant are difficult to tell apart.

Sex-linked traits coded for on the X chromosome occur more often in _________.

The belief that a person's traits are a combination of their parents' traits is called the ______ Theory of Inheritance.

The differing forms of a single trait are called _________.

Which of the following is NOT one of the traits of pea plants that Mendel studied?

Mendel also concluded that an individual inherits one of these factors from each ________.