Chapter 15 Mendel

a diagram used in the study of inheritance to show possible outcomes of a genetic cross

Mendel's 1st law, stating that the 2 alleles in a pair segregate into different gametes during gamete formation

Mendel accounted for the observation that traits which had disappeared in the F1 generation reappeared in the F2 gen by

Radish flowers may be red, purple, or white. This is an example of which of the following?

Which of the following is an example of polygenic inheritance?

Any of the alternative versions of a gene that may produce distinguishable phenotypic effects.

Why can the individual with genotype AaBbCCDdEE make many kinds of gametes?

situation in which the phenotypes of both alleles are exhibited in the heterozygote

organisms that produce offspring of the same variety over many generations of self-pollination

diagram of family tree w/ symbols, showing heritable characters in parents & offspring over multiple generations

What is the best explanation for this genetic situation?

When Mendel crossed yellow-seeded (Yy) and green-seeded (yy) plants in F1 generation, what was the genotypic ratio?

Offspring resulting from interbreeding of the hybrid F1 generation.

Having two different alleles for a given gene

An additive effect of two or more genes on a single phenotypic character.

In certain plants the tall trait is dominant to short. if a hetero plant crossed with homo tall prob of short offspring

Gene S controls the sharpness of spines in cacti. Gene N determines whether a cactus will have spines at all. This is

(Punnett ⧠) Two parents who are carriers of albinism have kids. What is the probability of an albino child?

rule of probability states 2+ independent events occurring together can be determined by x individual probabilities

In genetics, the mating, or crossing, of two true-breeding varieties.

Which describes the ability of a single gene to have multiple phenotypic effects?

The obstetrician would most reasonably offer which of the following procedures to her patient?

From this pedigree, this trait of colon cancer seems to be inherited _____.

Freq if heterozygositybfor sickle-cell anemia is unusually high,b/c this reduces freq of malaria.Relationship is related

One of two or more detectable variants in a genetic character.

What do we mean when we use the terms monohybrid cross and dihybrid cross?

Which of the following is the best statement of the use of the addition rule of probability?

Which of the following describes the ability of a single allele to have multiple phenotypic effects?

A plant that produces yellow seeds is crossed with a plant that produces green. The seeds of offspring are yellow. why ?

Mendel continued some of his experiments into the F2 or F3 generation to _____.

observable physical & physiological traits of an organism, determined by its genetic makeup.

Hutchinson-Gilford progeria is rare disorder where senility & death occur at 13 yrs old.Which is most likely assumption

A type of gene interaction in which one gene alters the phenotypic effects of another gene that is independently inherit

the set of alleles an individual has for a trait

Which of the following statements about independent assortment or segregation iscorrect?

The first filial, hybrid (heterozygous) offspring arising from a parental cross.

An observable heritable feature that may vary among individuals.

An allele whose phenotypic effect is not observed in a heterozygote.

Mendel's 2nd Law, state that each pair of alleles separates, or assorts, independently of each other in gamete formation

In genetics, an individual who is heterozygous at a given genetic locus for a recessively inherited disorder

rule of probability stating any one of 2+ mutually exclusive events occuring can determine by + their probabilities

Situation in which phenotypes of a heterozygote and dominant homozygote are indistinguishable.

Which of the following would you conclude about Marfan syndrome?

An organism that is heterozygous with respect to a single gene of interes

The fact that all seven of the pea plant traits studied by Mendel obeyed the principle of independent assortment means

Which of the following calculations require that you utilize the addition rule?

Breeding an organism of unknown genotype with a recessive homozygote is?

What is best explanation for why young,affected child is the first in her family to be diagnosed with neurofibromatosis

An organism that is heterozygous with respect to two genes of interest.

Mendel's observation of the segregation of alleles in gamete formation has its basis in ___.

the true-breeding (homozygous) parent individuals from which F1 hybrid offspring are produced

Why did the F1 offspring of Mendel's classic pea cross always look like one of the parents?

Two identical alleles for a given trait

What was the most significant conclusion that Gregor Mendel drew from his experiments?

Which of the following provides an example of epistasis?

Albinism is autosomal recessive trait.Man & woman are both normal pigmentation. What are genotypes of albino's parents?

The amino acid phenylalanine is not produced by humans. The most efficient and effective treatment is

tech w/ prenatal diagnosis in which sample of fetal portion placenta is removed for analysis to detect genetic defectss

Hydrangea plants in same garden. Some w/blue flowers, some pink flowers. Explain!

situation in which the phenotype of heterozygotes is intermediate between the phenotypes

Mendel's second law of independent assortment has its basis in which of the following events of meiosis I?

An allele whose phenotypic effect is not observed in a heterozygote.