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amid [387]
3 years ago
5

The highlighted cell

Biology
1 answer:
miv72 [106K]3 years ago
3 0
Is there a picture that goes with this or a question?
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Describe what happened when mendel crossed purebred tall pea plants with purebred short pea plants.
andre [41]
In Mendel's experiment, he basically crossed purebred genes and observed the outcome. The product showed how dominant genes controlled the variation of the offspring more than recessive traits, but it also showed how the two, recessive and dominant, worked together to create offspring with variation.
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The fossils in the chart can BEST be described as
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Which graphs in the Gizmo show a positive relationship
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What is this gizmo that you are talking about
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A woman who is a carrier for colour blindness (X-linked recessive) has children with a man who has normal colour vision. A. What
viva [34]

Answer:

Explanation:

The Genotype of the  woman is XCbXN

The man XNY

Since the allele for the color blindness is carried on one of the X -chromosomes of the  carrier mother, then  the male children will be color blind or carrier deopending on the defective gene they inherited. Since they will receive the defective or normal  allele from the  mothers,but the female will carriers or normal because they will inherit either defective allele or normal allele from the mother,but normal  X allele from the father.

Assuming the colorbind gene was inherited by One of the boys, and the girls take the defective genes

1. XNY vs XCbXN.Then the one of the  boys will be colorblind  and the one of  girls will be carriers. XNXCb, XNXN, XCbY,XNY  50 %

2.If the two boys take the effective genes from the mothers. and none of the girls take the defective alelle

Then the two boys will be colorblind and the girls will be carrries XcbY,XcbY and XNXN XNXN.(normal girls).

The proportions that will be  the females  since the girls can only take the defective allele from one of the normal and defective allele from the mother. Assuming the girls  take the defective allele from the mothers and take normal from the father,they will all  be carriers,since the X of the father is normal.

They can not have a color blind girl.Since the father is normal It takes two colorblind X-chromosome to give a girl.

5 0
3 years ago
Consider this ecological pyramid found in the Great Lakes ecosystem. Ecological pyramids are diagrams that are used to show how
PtichkaEL [24]

Answer:

Ecological pyramids are diagrams that are used to show how much energy, the number of organisms, or how much biomass may be found at each trophic level of all the food webs of a community. Note that the autotrophs are always placed at the base of the pyramid.

Explanation:

6 0
3 years ago
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