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Back to FlashcardsBiology / Genetics Review Unit 8 Science Part 2

Genetics Review Unit 8 Science Part 2

Biology36 CardsCreated 10 months ago

This deck covers key concepts in genetics, including definitions of genes and alleles, Mendelian inheritance, and genetic crosses.

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What are the odds that their kitten is a heterozygote?

Answer: 2/4

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Key Terms

Term
Definition

What are the odds that their kitten is a heterozygote?

Answer: 2/4

For B = black fur, b = white fur: Cross BB with Bb; which is the accurate phenotype ratio:

Answer: 2/4 black ; 2/4 white

A blue fish mates with a red fish and creates a purple-colored offspring. In these fish, color is inherited in what way?

Answer: codominant

What do the letters on the inside of a Punnett Square represent?

Answer: Genotypes of offspring

The specific location of a gene/DNA sequence is called a(n)?

Answer: d) Nucleotide

The study of heredity is called

Answer: genetics

Related Flashcard Decks

TermDefinition

What are the odds that their kitten is a heterozygote?

Answer: 2/4

For B = black fur, b = white fur: Cross BB with Bb; which is the accurate phenotype ratio:

Answer: 2/4 black ; 2/4 white

A blue fish mates with a red fish and creates a purple-colored offspring. In these fish, color is inherited in what way?

Answer: codominant

What do the letters on the inside of a Punnett Square represent?

Answer: Genotypes of offspring

The specific location of a gene/DNA sequence is called a(n)?

Answer: d) Nucleotide

The study of heredity is called

Answer: genetics

the father of genetics was

Answer: Gregor Mendel

Gregor Mendal concluded that traits are

Answer: inherited through the passing of factors from parents to offspring

hair color and eye color are examples of a person

Answer: phenotype

the principles of a probability can be used

Answer: predict the traits of the offspring produced by genetic crosses

a couple has 2 children, both of whom are boys. what is the chance that parents next child be be a boy?

Answer: 50%

Genes located on homologous chromosomes may have alternate forms that control different forms of a trait. These alternate forms of a gene are called

Answer: alleles

If an individual possesses two recessive alleles for the same trait, the individual is said to be

Answer: homozygous for the trait

if a pea plant were homozygous recessive for height, how would its alleles be represented

Answer: tt

when an organism has two alleles for a particular trait that are different, the organism is called

Answer: heterozygous

a genetic trait that appears in every generation of offspring is called

Answer: Dominant

the term for a cross that involves just one traits, such as pod shape is called

Answer: Monohybric cross

When Gregor Mendel crossed homozygous purple-flowered plants with a homozygous white-flowered plants, all the offspring were purple because

Answer: th allele for a purple-flowered plants is dominant

in mendals garden pea experiment, he allowed each variety of garden pea to self-pollinate for sever generations to produce the original parents or

Answer: F1 generation

When Gregor Mendel crossed a homozygous tall plant with a homozygous short plants, the F1 plants inherited

Answer: An allele for tallness from the tall parent and allele for shortness from the short parent

mendals law of segregation states that

Answer: the two alleles for a strait seperate when gametes are formed

the phenotype of an organisms

Answer: the physcial apperance of a trait

a dogs phenotype can be determined by

Answer: looking at the dog

which of the following describe an organism that has the phenotype Bb

Answer: Heterozygous

An individual heterozygous for a trait and an individual homozygous recessive for the trait are crossed and produce many offspring. These offspring are likely to be

Answer: two different phenotype

Tallness (T) is dominant over shortness (t) in pea plants. Which of the following represents the genotype of a pea plant that is heterozygous for tallness?

Answer: Tt

Mendel's finding that the inheritance of one trait had no effect on the inheritance of another became known as the

Answer: law of independent assortment

A useful device for predicting the possible offspring of crossed between different genotypes is the

Answer: punnett squares

the_______produced by each parent are shown along the ides of a punnet squares

Answer: gametes

what do the letter inside the grid of the Punnett square represent

Answer: genotypes of the offspring

A female guinea pig homozygous dominant for black fur color is mated with a male homozygous for white fur color. In a litter of eight offspring, there would probably be _____.

Answer: 2 black, 4 gray, 2 white

in mink, brown fur color is dominant to silver-blue fur color. if a homozygous brow mink is mated with silver-blue mink and 8 offspring are produced, how many would be expected to be silver-blue?

Answer: 3

the unknown geotype of an idvidual witha dominat phenotype can be determined using

Answer: a test cross

if a characteristic is sex-linked it

Answer: occurs only females or males

Since the allele for colorblindness is located on the X chromosome, colorblindness

Answer: is sex-linked

which of the following describe hemophilia

Answer: sex-linked trait