Biology Biology Practice Problems Solutions Library

Independent Assortment Solutions Library

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59 solutions

Independent Assortment

Q. In rabbits, the allele of the gene for short hair (S) is dominant over the allele for long hair (s) and the black hair (B) is dominant over brown h...

Solved • Oct 20, 2018

Independent Assortment

Q. Individuals whose genotype is represented by the alleles Aa are described genotypically as _____.A. heterozygousB. dihybridC. homozygousD. homologo...

Solved • Oct 9, 2018

Independent Assortment

Q. In roses, B=big thorns, and b=little thorns. Cross a heterozygous big thorned rose (Bb) with a homozygous recessive little thorned rose (bb). Show ...

Solved • Sep 30, 2018

Independent Assortment

Q. In probiscus monkeys, N=long nose, and n=short nose. Cross a homozygous dominant long-nosed monkey (NN) with a homozygous recessive short-nosed mon...

Solved • Sep 30, 2018

Independent Assortment

Q. Given the parents AABBCc x AabbCc, assume simple dominance for each trait and independent assortment. What proportion of the progeny will be expect...

Solved • Sep 23, 2018

Independent Assortment

Q. Two plants are crossed, resulting in offspring with a 1:1 phenotype ratio for a particular trait. This suggests _____.A. that one parent is heteroz...

Solved • Sep 18, 2018

Independent Assortment

Q. In guineapigs, a cross between black furred and brown furred parenrs gives offspring with 100% black fur. A cross between a long furred and short f...

Solved • Sep 12, 2018

Independent Assortment

Q. In cats, the hair can be either short or long (angora). A cat fancier made the following crosses with results shown below:a. Which phenotype is dom...

Solved • Sep 11, 2018

Independent Assortment

Q. In tomatoes, the flesh can be either red or yellow. The following crosses involving plants of these two phenotypes are made.a. What phenotype is do...

Solved • Sep 10, 2018

Independent Assortment

Q. In poultry, rose comb is controlled by a dominant allele and its recessive allele controls single comb.A.Give the genotype and phenotype produced f...

Solved • Aug 29, 2018

Independent Assortment

Q. In rabbits, black fur (B) is dominant to brown (b), and spotted coat (S) is dominant to solid coat (s).A. Give the genotypes of the parents if a bl...

Solved • Aug 28, 2018

Independent Assortment

Q. In tomatoes, red fruit color is dominant to yellow. A red fruit plant is crossed with anoter red fruit plant and the crosses produces 30 red fruit ...

Solved • Aug 25, 2018

Independent Assortment

Q. A violet-flowered, long-stemmed hybrid pea plant was crossed with a true-breeding white-flowered, short-stemmed pea plant with the following offspr...

Solved • Aug 22, 2018

Independent Assortment

Q. How many different kinds of gametes can be produced by an individual with the genotype AaBbCCddEEFF?A. 2B. 4C. 8D. 16E. 64

Solved • Aug 22, 2018

Independent Assortment

Q. Independent assortment occurs when pairs of homologous chromosomes line up at the equator during metaphase of:A. meiosis IIB. mitosis IIC. mitosis ...

Solved • Aug 22, 2018

Independent Assortment

Q. In foxes, two alleles of a single gene, P and p, may result in lethality (PP), platinum (Pp), or silver coat (pp). If you breed two platinum foxes ...

Solved • Aug 21, 2018

Independent Assortment

Q. Cystic fibrosis in humans is caused by recessive mutations in a single gene located in an autosome and follows mendelian laws. A normal couple has ...

Solved • Aug 9, 2018

Independent Assortment

Q. A brown mink is crossed with a silver mink. They produce all brown F1 offspring. These brown F1 offspring were crossed among themselves. What is th...

Solved • Aug 6, 2018

Independent Assortment

Q. In Loch Ness Monsters, three humps is dominant to two humps, and fire-breathing ability is dominant to non-fire-breathing. I crossed a three-humped...

Solved • Aug 1, 2018

Independent Assortment

Q. Mating oif two organisms produces a 1:1 ratio of phenotypes in the progeny. The parental genotypes are:A. Aa x AaB. Aa x aaC. AA x aaD. AA x AA

Solved • Jul 30, 2018

Independent Assortment

Q. Starting with a cross between AA and aa, the proportion of heterozygotes in the F2 progeny will be:A. 1/16B. 1/8C. 1/4D. 1/3E. 1/2

Solved • Jul 27, 2018

Independent Assortment

Q. Among 160 offspring of the F2 from a dihybrid cross of independently assorting loci A and B, how many will have the phenotype AB?A. 15B. 80C. 90D. 160

Solved • Jul 27, 2018

Independent Assortment

Q. In chickens, the dominant allele Cr produces the creeper phenotype (having extremely short legs). However, the creeper allele is lethal in the homo...

Solved • Jul 25, 2018

Independent Assortment

Q. Assuming independent assortment, an individual of genotype SsYyAa would produce gametes of genotypes (in their proper proportions) ___________.A. 1...

Solved • Jul 23, 2018

Independent Assortment

Q. Consider the following cross: (P1) A/a ; B/b ; C/c ; D/D ; E/e x (P2) a/a ; b;b ; C/C ; D/d ; E/e(a) What proportion of the progeny will phenotypic...

Solved • Jul 19, 2018

Independent Assortment

Q. Imagine that two unlinked autosomal genes with simple dominance code in goats for size where L is large and l is small, where B is brown and b is w...

Solved • Jul 13, 2018

Independent Assortment

Q. Contrast genes that are Independently Sorted verses those that are Linked.

Solved • Jul 12, 2018

Independent Assortment

Q. In the garden pea, Mendel studies independent assorting genes and found that purple flowers (P) are dominant over white (p) and axial flowers (A) a...

Solved • Jul 11, 2018

Independent Assortment

Q. Suppose two parents, a father with genotype AaBbCcDdee and a mother with the genotype aabbCcDDEe, wanted to have children. Assume each locus follow...

Solved • Jul 10, 2018

Independent Assortment

Q. In guinea pigs, rough coat (R) is dominant over smooth coat (r). A rough coat-coated guinea pig is bred to a smooth one, giving 8 rough and 7 smoot...

Solved • Jul 5, 2018

Independent Assortment

Q. in sesame plants, the one-pod condition (P) is dominant to the three-pod condition (p), and normal leaf (L) is dominant to wrinkled leaf (l). Pod t...

Solved • Jun 29, 2018

Independent Assortment

Q. Consider three independent genes with two alleles, denoting the dominant forms of the alleles as A, B, and C, and the recessive forms as a, b, and ...

Solved • Jun 28, 2018

Independent Assortment

Q. In a population, are dominant characteristics always more frequent than recessive ones?

Solved • Jun 15, 2018

Independent Assortment

Q. Independent assortment explains _______.a. why meiosis in a cell of genotype AaBb cannot yield Ab gametesb. why a collection of meiotic products th...

Solved • Jun 11, 2018

Independent Assortment

Q. A plant grown from a [round, yellow] seed is crossed with a plant grown from a [wrinkled, yellow] seed. This cross produces four progeny types in t...

Solved • Jun 7, 2018

Independent Assortment

Q. Mendel studied pea plants dihybrid for seed shape (round versus wrinkled) and seed color (yellow versus green). Recall thatthe round allele (R) is ...

Solved • Jun 7, 2018

Independent Assortment

Q. Which of the following phenomena is a consequence of Independent Assortment?a. For any gene displaying complete dominance, heterozygous individuals...

Solved • Jun 6, 2018

Independent Assortment

Q. You continue your genetic analysis by crossing the forked and pale mutant lines with each other. The leaves of the F1 are light green (intermediate...

Solved • Jun 6, 2018

Independent Assortment

Q. Crossing the forked and twist mutants You continue your analysis by crossing the forked and twist lines. Your results are as follows: Which of the ...

Solved • Jun 6, 2018

Independent Assortment

Q. You decide to designate the twist allele as FT to distinguish it from the forked allele F. Using the following allele symbols, identify the genotyp...

Solved • Jun 5, 2018

Independent Assortment

Q. In a cross AaBbCc x AaBbCc, what is the probability of producing the genotype AABBCC?a. 1/4b. 1/8c. 1/16d. 1/32e. 1/64

Solved • Jun 4, 2018

Independent Assortment

Q. In a species of butterfly, the blue-wing allele (B) is dominant to the yellow wing allele (b) and the allele for long antennae (L) is dominant to t...

Solved • Dec 4, 2017

Independent Assortment

Q. When crossing one parent having an RRBbDd genotype with another parent having an RrBbDd genotype, what is the probability that they will have an Rr...

Solved • Dec 4, 2017

Independent Assortment

Q. After the cell below is finished dividing, what will be a possible genotype for one of the daughter cells?a. rTdMb. RrTtDdMmc. RTDMd. RTdme. RrTTDdMm

Solved • Dec 4, 2017

Independent Assortment

Q. Given the cross PpQqRrSS x PPQqRRSs, what proportion of offspring are expected to be PPQQRRSS?a. 1/32b. zeroc. 3/64d. 1/16

Solved • Dec 1, 2017

Independent Assortment

Q. Feather color in budgies is determined by two different genes Y and B, one for pigment on the outside and one for the inside of the feather. YYBB, ...

Solved • Dec 1, 2017

Independent Assortment

Q. Two true-breeding stocks of pea plants are crossed. One parent has red, axial flowers and the other has white, terminal flowers; all F1 individuals...

Solved • Dec 1, 2017

Independent Assortment

Q. Hairy noses in gremlins (H) is dominant to hairless noses (h), and beady little eyes (B) are dominant to large, soulful eyes (b). In a cross of HhB...

Solved • Dec 1, 2017

Independent Assortment

Q. Gene S controls the sharpness of spines in a type of cactus. Cactuses with the dominant allele, S, have sharp spines, whereas homozygous recessives...

Solved • Nov 15, 2017

Independent Assortment

Q. In rabbits, the homozygous CC is normal, Cc results in deformed legs, and cc results in very short legs. The genotype BB produces black fur, Bb bro...

Solved • Nov 15, 2017

Independent Assortment

Q. An individual with genotype AaBbccDd is crossed to an individual with genotype aaBbCcDd.  What is the probability that their first offspring will h...

Solved • Aug 2, 2017

Independent Assortment

Q. Purebreeding boa constrictors that are tan colored with a normal color pattern are mated to purebreeding boa contrictors that are orange colored wi...

Solved • Aug 2, 2017

Independent Assortment

Q. Any dihybrid cross should theoretically yield a 3:1 phenotypic ratio. a. True    b. False

Solved • Jul 27, 2017

Independent Assortment

Q. Which gametes can a RRyy plant produce?  a. RR or yy b. Ry c. RY or ry d. RRyy e. R or y

Solved • Jul 27, 2017

Independent Assortment

Q. Which gametes can a RrYy plant produce?  a. Rr or Yy b. RY or ry c. RrYy d. RY, Ry, rY, or ry e. R or r

Solved • Jul 27, 2017

Independent Assortment

Q. If you cross RrYy and RRyy pea plants, what fraction of the offspring will have round yellow peas? R=round, r=wrinkled, Y=yellow, y=green.  a. 100...

Solved • Jul 27, 2017

Independent Assortment

Q. If a pea plant is heterozygous for yellow seeds (Yy), which gametes could it produce?  a. Y b. Y or y c. y d. Yy e. YYyy

Solved • Jul 27, 2017

Independent Assortment

Q. A dihybrid cross is a mating between two individuals that are each ______________ for ___________ gene (genes).  a. Homozygous, one b. Homozygous...

Solved • Jul 26, 2017

Independent Assortment

Q. A testcross is a mating of an individual with an unknown genotype and an individual that: a. Is heterozygousb. Is homozygous dominantc. Is homozygo...

Solved • Jul 26, 2017