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limecockroach844Lv1

29 Sep 2019

I've got diabetic retinopathy in both eyes and I was wonderingif there was any evidence that if you get your sugar levels justright, the blood vessels will repair themselves?

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kinzaisrar117Lv1

28 Jul 2023

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29 Sep 2019

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9. Billie Sue was Manleyâs wife. She had type AB blood and both hisparents were AB. Jackie was type O and her husband Cal was type A.His parents were likewise AB. All four lived by themselves in acompletely isolated research station on an arctic island. Exceptfor Abe the trader (type A), there were no visitors for 12 months,and at the end of that time both women had babies. In theconfusion, the two infants got mixed up, and to straighten out theproblem, the blood types of the babies were determined and found tobe O for the boy baby and B for the girl.

______Who was the mother of the baby girl?

______Who was the mother of the baby boy?

______Who was the father of the baby girl?

______Who was the father of the baby boy?

______What do you think happened next?

True or False: In the human body, tumors arise most frequent in connective tissues.

True

False

Fill in the Blank: The ____________________________ is the only checkpoint in the cell cycle that can totally and entirely stop the cell cycle forever.

		G2/M checkpoint
		G0 checkpoint
		G1/S checkpoint
		DNA replication checkpoint

Fill in the Blank: If a Florida Panther (top predator) is about to attack you and your body goes into fight-or-flight mode, then your intestinal blood vessels will:

		contract
		urinate
		jump
		dilate

If you are sunning in Miami Beach and the sun damages the DNA of some of your skin cells, then these skin cells will go either into DNA repair mode or into:

		anger mode
		necrosis mode
		strike mode
		apoptosis mode

Can someone please help me solve this problem, I have postedthis question twice and prof, said it was still incorrect. Pleasecan someone help me get the right answer??

Drosophila has four pairs of chromosomes: the sex chromosomes(XX in the females; XY in the males) and three pairs of autosomes.You are studying a new mutant strain with blue eyes. You wish toknow if blue eye colour is a dominant mutation and on whichchromosome the blue eye locus can be found. When you cross apureâbreeding female blueâeyed fly with vestigial wings andspineless bristles to a male fly with wild type eye colour, wings,and bristles, all of the F1 progeny are completely wild type. An F1male is backcrossed to a triple mutant female, producing thefollowing progeny (remember that there is no crossing over inDrosophila males):

Wild type eyes, wings, and bristles: 72 females, 69 males

Wild type eyes and bristles, vestigial: 83 females, 77 males

Wild type wings, blue eyes, spineless: 60 females, 65 males

Blue eyes, spineless, vestigial: 62 females, 58 males

1- Is the mutation dominant or recessive?Explain.

2-Since you know that the locus for vestigial wings is onchromosome 2 and the locus for spineless bristles is on chromosome3, what chromosome carries the locus for blue eyes? Show your work,including the stepâbyâstep reasoning you used to arrive at youranswer.

3-When an F1 female is backcrossed to a triple mutant male, thefollowing 1,000 progeny are produced:

Wild type eyes, wings, and bristles: 90 females, 89 males

Wild type eyes and bristles, vestigial: 83 females, 98 males

Wild type eyes and wings, spineless: 37 females, 35 males

Wild type wings and bristles, blue eyes: 36 females, 34males

Wild type wings, blue eyes, spineless: 92 females, 88 males

Wild type eyes, spineless, vestigial: 34 females, 39 males

Wild type bristles, vestigial, blue eyes: 33 females, 37males

Blue eyes, spineless, vestigial: 90 females, 85 males

4-Calculate the map distance between blue eye and any linkedgenes from the above progeny. Show your work