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3 years ago

Nicotine from cigarette smoke does not produce congenital malformations but it does

Biology

2 answers:

BigorU [14]3 years ago

5 0

smoking cigarettes while pregnant can cause

*increased risk of premature birth and stillbirth

*low birth weight

*undersized babies can have lung complications such as not being able to breath on own and continues breathing difficulties such as asthma and an increased risk of SIDS

* learning disabilities, behavioral problems

elena-s [515]3 years ago

4 0

It can cause deformations or second hand smoking to the baby which may cause cancer later on in life. <span />

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What is the best way to describe how the hereditary information is carried in prokaryotic cells?

IRINA_888 [86]

Answer:

DNA is in chromosomes in the nuclear envelope

Explanation:

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3 years ago

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In corn, small pollen (sp) is recessive to normal pollen (sp+) and banded necrotic tissue, called zebra necrotic (zn), s ssive t

alex41 [277]

Answer:

Option B

Explanation:

Please see the attached image

Given -

Allele for small pollen is "sp"

Allele for normal pollen is "sp+"

and "sp+" is dominant over "sp"

Allele for zebra necrotic tissue is "zn"

Allele for normal necrotic tissue is "zn+"

and "zn+" is dominant over "zn"

Cross is carried out between

sp+ sp zn+ zn x sp+ sp zn+ zn

The gametes of the parent cells are -

sp+ zn+, sp+zn, spzn+, spzn

The cross would be as follows

sp+ zn+ sp+zn spzn+ spzn

sp+ zn+ sp+ sp+ zn+ zn+sp+ sp+ zn+ znsp+ sp zn+ zn+ sp+ spzn+ zn

sp+zn sp+ sp+ zn+ znsp+ sp+ zn znsp+ sp zn+ zn sp+ sp zn zn

spzn+ sp+ sp zn+ zn+sp+ sp zn+ znsp sp zn+ zn+ sp sp zn+ zn

spzn sp+ sp zn+ zn sp+ sp zn zn sp sp zn+ zn sp sp zn zn

Hence, option B is correct

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3 years ago

How does he transform to a super hero state? where is it found in nature and how did we humans discover it? What do we do to get

kirill [66]

Answer:

Oh gosh, thank you! (I feel like this'll get deleted, so here are the answers: Tony Stark became Iron man when he was in like this military place? I don't know the exact details, but when people were trying to fight him he made a suit to fight back. The suit was surprisingly powerful, so he re-made it to be more appealing, light-weight, and stronger.

All he has to do is change into his suit. He doesn't actually have any superpowers, unless you consider being really smart a super power)

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3 years ago

Why can genes be considered derived characters?

aev [14]

A derived character refers to a particular character that is shared by members of a particular population. Genes are considered to be derived characters because THEY ARE TRANSFER FROM GENERATION TO GENERATION FROM PARENTS TO THEIR OFFSPRING. Genes are derived from the DNA molecule of the parents and these are passed to their offspring during the process of cell division in reproduction.

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3 years ago

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2 characteristics of bisexual flowers

deff fn [24]

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Explanation:

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