BIOLOGY
12th Edition
ISBN: 9781260169614
Author: Raven
Publisher: RENT MCG
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Chapter 13, Problem 3S
A low frequency of calico cats are male (about 1/3000). How could this arise?
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Chapter 13 Solutions
BIOLOGY
Ch. 13.1 - Describe sex-linked inheritance in fruit flies.Ch. 13.1 - Prob. 2LOCh. 13.2 - Prob. 1LOCh. 13.2 - Explain the genetic consequences of dosage...Ch. 13.3 - Prob. 1LOCh. 13.4 - Prob. 1LOCh. 13.4 - Explain the relationship between frequency of...Ch. 13.4 - Prob. 3LOCh. 13.5 - Prob. 1LOCh. 13.5 - Prob. 2LO
Ch. 13.5 - Prob. 3LOCh. 13 - Inquiry question Mendel did not examine plant...Ch. 13 - What would Mendel have observed in a dihybrid...Ch. 13 - Prob. 2DACh. 13 - Why is the white-eye phenotype always observed in...Ch. 13 - In an organisms genome, autosomes are a. the...Ch. 13 - What cellular process is responsible for genetic...Ch. 13 - The map distance between two genes is determined...Ch. 13 - How many map units separate two alleles if the...Ch. 13 - How does maternal inheritance of mitochondrial...Ch. 13 - Which of the following genotypes due to...Ch. 13 - Prob. 1ACh. 13 - As real genetic distance increases, the distance...Ch. 13 - Down syndrome is the result of trisomy for...Ch. 13 - Genes that are on the same chromosome can show...Ch. 13 - The A and B genes are 10 cM apart on a chromosome....Ch. 13 - Prob. 6ACh. 13 - Color blindness is caused by a sex-linked,...Ch. 13 - Assume that the genes for seed color and seed...Ch. 13 - A low frequency of calico cats are male (about...
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- What would happen to the allelic frequency of the deer population after their habitat was blazed in forest fire?arrow_forwardWhat is the frequency of winged dragons? (take # winged / total dragons)arrow_forward8% of XY individuals are color blind in a population. Assume Hardy-Weinberg conditions. Submit your answer as it is. a) What is the percentage of color-blind XX individuals? b) What is the percentage of XX individuals who are carriers? c) If this population has 1000 individuals with 50% of male and 50% of female, how many carriers are present in this population? Submit your answer as it is. Do not round up.arrow_forward
- The probability of getting a female Guinea pig is 50%, the probability of getting a guinea pig with straight hair is 50%, what is the probability of getting two female guinea pig with straight hair in a row?arrow_forwardHartnup disease is an autosomal recessive disorder of intestinal and renal transport of amino acids. The frequency of affected newborn infants is about 1 in 14,000. Assuming random mating, what is the frequency of heterozygotes? Provide summationarrow_forwardWhat are the OBSERVED allelic frequencies given this AA= 15 Aa= 10 aa= 25 A= a=arrow_forward
- What is the frequency of the aa genotype if the frequencies of AA & Aa are 0.1900 and 0.3600?arrow_forwardIn Scandinavia, it was found that the native mountain hare (Lepus timidus) mate with the introduced brown hare (Lepus europaeus). The average body weight of the mountain hare is 2,457 grams whereas the average body weight of the brown hare is 954 grams. The mating of these two species produces hydrids (intermediate F1) with a standard deviation of 139 grams. The variability of the F2 is greater as indicated by a standard deviation of 195 grams. Estimate the number of pairs of factors (genes) contributing to mature body weight in hare. Estimate the average metric contribution of each active allele.arrow_forwardIn the Ireland, 9% of the population is red haired. Assuming mating is random, what is the frequency of heterozygotes in Ireland?arrow_forward
- A species of butterfly shows variation in the length of the antennae. You measure antennae in a butterfly population and find the mean to be 15 mm. You calculate a heritability of antennae length to be 1 (h2 = 1). %3D That summer, there is a severe drought. Many of the butterflies die and only a few survive to reproduce. The surviving butterflies have a mean antennae length of 17 mm. a) What is the predicted mean limb-length of the offspring of the surviving butterflies? [ Select ] b) What type of selection was acting on antennae length in these butterflies? [ Select ] c) Five years later, you go back and measure antennae length in this butterfly population again. Every butterfly in the population has antennae measuring 16 mm. What is the heritability of antennae length in this population now? [Select ]arrow_forwardElephant seals are a sexually dimorphic species of marine mammal that lives off the coast of California. The females, which weigh around 1000 lbs, are much smaller than the males, which may weigh up to 5000 Ibs. Suppose that scientists measured the weight of three adult female elephant seals and their female offspring. Parent Weight Offspring Weight 920 742 999 780 1014 787 Calculate the narrow sense heritability, h', of weight for female elephant seals to two decimal places. What conclusions can be drawn from these data?arrow_forwardIn a population of Hopi indians the autosomal recessive gene for albinism exists at an allele frequency of 0.04. What proportion of these individuals are expected to be heterozygous?arrow_forward
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