QUESTION 3 You are a clinical geneticist who is evaluating a newborn female child with a congenital heart defect and other atypical features. Be evaluating their chromosomes, you first do a Barr body test. You find the individual has no Barr bodies. What can you conclude fra this? Oa. The individual likely has Turner Syndrome. O b. It is not possible to make a definite conclusion from this. You need to see the chromosomes. OC The individual likely has Klinefelter syndrome. Od. The individual likely has Cystic Fibrosis. O e. The individual is genotypically, a normal female.

Biology: The Unity and Diversity of Life (MindTap Course List)
15th Edition
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Chapter14: Chromosomes And Human Inheritance
Section: Chapter Questions
Problem 6SQ: Choose the statement that is incorrect. a. A son can inherit a recessive allele on an X chromosome...
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In Méiosis I occurs when
fall to separate.
homologous chromosoi
QUESTION 3
You are a clinical geneticist who is evaluating a newborn female child with a congenital heart defect and other atypical features. Before
evaluating their chromosomes, you first do a Barr body test. You find the individual has no Barr bodies. What can you conclude from
this?
O a. The individual likely has Turner Syndrome.
O b. It is not possible to make a definite conclusion from this. You need to see the chromosomes.
O. The individual likely has Klinefelter syndrome.
Od. The individual likely has Cystic Fibrosis.
O e. The individual is genotypically, a normal female.
QUESTION 4
In fruit flies, white eyes (we) and miniature wings (mw) are encoded by two mutant alleles that are recessive to those that produce wild-
type traits we+ and mw+); these two genes are on the same chromosome. A fly homozygous for white eyes and miniature wings is
crossed with a fly homozygous for the wild-type traits. The F1 have normal eyes and normal wings. The F1 are crossed with flies that
have white eyes and miniature wings in a testcross. The progeny of this testcross are (1000 total):
wild-type eyes, wild-type wings 336
wild-type eyes, miniature wings 108
Click Save and Submit to save and submit. Click Save All Answers to save all answers.
Transcribed Image Text:In Méiosis I occurs when fall to separate. homologous chromosoi QUESTION 3 You are a clinical geneticist who is evaluating a newborn female child with a congenital heart defect and other atypical features. Before evaluating their chromosomes, you first do a Barr body test. You find the individual has no Barr bodies. What can you conclude from this? O a. The individual likely has Turner Syndrome. O b. It is not possible to make a definite conclusion from this. You need to see the chromosomes. O. The individual likely has Klinefelter syndrome. Od. The individual likely has Cystic Fibrosis. O e. The individual is genotypically, a normal female. QUESTION 4 In fruit flies, white eyes (we) and miniature wings (mw) are encoded by two mutant alleles that are recessive to those that produce wild- type traits we+ and mw+); these two genes are on the same chromosome. A fly homozygous for white eyes and miniature wings is crossed with a fly homozygous for the wild-type traits. The F1 have normal eyes and normal wings. The F1 are crossed with flies that have white eyes and miniature wings in a testcross. The progeny of this testcross are (1000 total): wild-type eyes, wild-type wings 336 wild-type eyes, miniature wings 108 Click Save and Submit to save and submit. Click Save All Answers to save all answers.
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