A fungus with white spores cross fertilizes a fungus with black spores. If 10% of the progeny bear white spores while 90% of the progeny bear black spores, what must be true? A.The trait for spore color is determined by exactly one gene. B.The trait for spore color is determined by more than one gene. C.The allele for black spores is dominant over that for white spores. D.The allele for white spores is dominant over that for black spores. cross-fertilizationasexualasexualconidia(n)conidia(n).cyclecyclehyphae ofmating-type Ahyphae ofmating-type azygotezygotenucleus (2n)nucleus (2n)40I first meiotic divisionsecond meioticdivisionmitotic division@@@ascus with eight ascus with eightascospores (n)ascospores (n)in ordered array in ordered array

Genetics is a branch of biology that is concerned with the study of Nucleic acids (Ribonucleic acid,…

Answered: A fungus with white spores cross…

Human Heredity: Principles and Issues (MindTap Course List)

11th Edition

ISBN:9781305251052

Author:Michael Cummings

Publisher:Michael Cummings

Chapter2: Cells And Cell Division

Section: Chapter Questions

Problem 10QP: It is possible that an alternative mechanism for generating germ cells could have evolved. Consider...

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A fungus with white spores cross fertilizes a fungus with black spores. If 10% of the progeny bear white spores while 90% of the progeny bear black spores, what must be true?

A.

The trait for spore color is determined by exactly one gene.
B.

The trait for spore color is determined by more than one gene.
C.

The allele for black spores is dominant over that for white spores.
D.

The allele for white spores is dominant over that for black spores.

cross-fertilization
asexual
asexual
conidia(n)
conidia(n).
cycle
cycle
hyphae of
mating-type A
hyphae of
mating-type a
zygote
zygote
nucleus (2n)
nucleus (2n)
40
I first meiotic division
second meiotic
division
mitotic division
@@@
ascus with eight ascus with eight
ascospores (n)
ascospores (n)
in ordered array in ordered array

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