How does a frog use its legs while swimming

1 answer:

5 0

While swimming, Frogs propell themselves, and their small legs act like a turbine, it sends water backward, so they get forward speed in reaction.

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A woman's father has ornithine transcarbamylase deficiency (OTD), an X-linked recessive disorder producing mental deterioration

ruslelena [56]

Answer:

Part A - Dd

Part B - 50%

Part C - Option E

Part D - dY

Part E - 50%

Part F - 50%

Explanation:

Given,

Let the allele for dominant trait (wild type) be "D" and the allele for recessive ornithine transcarbamylase deficiency (OTD) be "d"

A X-linked recessive gene affects male offspring in a family tree though a female remains a carrier until it mates with a male with the a recessive diseased allele.

Part A

Father's genotype would be Dd. Hence it will pass d gene (X diseased gene ) to her daughter.

Thus , Woman's genotype is Dd

Part B

Genotype of Normal man - DD

DD * Dd

DD, Dd, Dd, DD

One of the two males will have ornithine transcarbamylase deficiency (OTD), an X-linked recessive disorder producing mental deterioration hence, the probability is 50%

Part C

Option E is correct

Only one of the female offspring will have ornithine transcarbamylase deficiency (OTD), an X-linked recessive disorder which will be expressed if other allele is also X linked recessive.

Hence, The chance of being a carrier will be one out of two female offspring i.e 50% and and chance of having OTD is 0%

Part D

Part E

dY * Dd

DY, dY, dD, dd

one out of the two female is diseased. Hence, the probability is 50%

Part F

50%

3 0

4 years ago

The maximum number of orbits in an atom is _____.

ololo11 [35]